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Hay'at Tahrir al-Sham

Sunni Islamist and Jihadist military and political organisation

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Through Sufism

Proclaiming the nascent organisation as "a new stage in the life of the blessed revolution", Abu Jaber Sheikh urged all factions of the Syrian opposition to unite under its Islamic leadership and wage a "popular jihad" to achieve the objectives of the 2011 revolution, which he characterised as the ousting of the Ba'athist regime and Hezbollah militants from Syrian territories, and the formation of an Islamic government. After the announcement, additional groups and individuals joined. The merged group has been primarily led by Jabhat Fatah al-Sham and former Ahrar al-Sham leaders, although the High Command also has representation from other groups. The Nour al-Din al-Zenki Movement split from Tahrir al-Sham in July 2017, and the Ansar al-Din Front in 2018.

The formation of HTS was followed by a string of assassinations of its supporters. In response, HTS launched a successful crackdown on al-Qaeda loyalists, which cemented its power in Idlib. HTS then pursued a "Syrianisation" programme, focused on establishing a stable civilian administration that provides services and connects to humanitarian organizations in addition to maintaining law and order. Tahrir al-Sham's strategy was based on expanding its territorial control in Syria, establishing governance and mobilising popular support. In 2017, HTS permitted Turkish troops to patrol North-West Syria as part of a ceasefire brokered through the Astana negotiations. Its policies brought it into conflict with Hurras al-Din, al-Qaeda's Syrian wing, including militarily. HTS had an estimated 6,000–15,000 members in 2022.

From 2017 to 2024, HTS gave allegiance to the Syrian Salvation Government (SSG), which served as its civilian administration in Idlib Governorate. While the organisation officially adhered to the Salafi school, the High Council of Fatwa of the Syrian Salvation Government – to which it is religiously beholden – consisted of ulema from Ash'arite and Sufi traditions as well. In its legal system and educational curriculum, HTS implemented Shafi'ite thought and taught the importance of the four classical Sunni madhahib (schools of law) in Islamic jurisprudence.

From 2021 to 2024, HTS was the most powerful military faction within the Syrian opposition. Τhe organisation was designated a terrorist group by United Nations Security Council Resolution 2254, which classified the group's precursor, Jabhat al-Nusra. After the fall of Damascus in December 2024, the SSG was replaced by the Syrian transitional government. On 29 January 2025, at the Syrian Revolution Victory Conference held in Damascus, Hassan Abdul Ghani, spokesperson for the Military Operations Command, announced the dissolution of HTS and several armed factions and declared that they would become part of "state institutions". Throughout 2025 and 2026, a number of countries revoked their designations of HTS as a terrorist organization, including the United States, UK, Canada, and Japan. The UN Security Council and European Union also lifted sanctions on the organization.

History

Predecessors

Before becoming the emir of al-Nusra Front, Ahmed al-Sharaa started his military career in 2003, travelling from the Syrian capital Damascus to Iraq, where he resisted the U.S. occupation of Iraq. He joined al-Qaeda in Iraq and fought in the Iraqi insurgency against the U.S. occupation. After his imprisonment by the U.S. military in 2006 and subsequent release by the Iraqi government in 2011, al-Sharaa was tasked with establishing al-Nusra Front as al-Qaeda's branch in Syria. Between 2011 and 2012, he coordinated with Abu Bakr al-Baghdadi, leader of the Islamic State of Iraq (ISI), to expand al-Qaeda's mission in Syria.

In April 2013, Baghdadi announced his group's expansion into Syria and declared the creation of the Islamic State (ISIL) and unilaterally demanded al-Nusra's merger into ISIL. Al-Sharaa denounced the move; and maintained his bay'ah (trans: "pledge of allegiance") to al-Qaeda. al-Qaeda emir Ayman al-Zawahiri also denounced al-Baghdadi's announcement, asserting that Syria was the "spatial state" of al-Nusra Front. Zawahiri officially demanded the dissolution of the new entity and urged Baghdadi to withdraw all his troops from Syria. In a letter addressed to the leaderships of ISIL and al-Nusra Front in June 2013, Ayman al-Zawahiri directly rebuked al-Baghdadi's moves by recognizing al-Nusra Front as the only official Syrian branch of al-Qaeda and demanded the dissolution of ISIL.

By January 2014, hostile rhetoric between ISIL and al-Nusra Front escalated into violent conflict. Al-Nusra Front formally cut all factional links to ISIL in February 2014 when al-Qaeda's general command issued an official statement disavowing and terminating all relations with ISIL. In July 2016, al-Nusra Front under al-Sharaa split from al-Qaeda, rebranding as Jabhat Fatah al-Sham. Before that time, HTS espoused hardline Islamist views, such as viewing non-Muslims as second-class citizens, but after 2016, it began moderating some of its positions in an effort to gain wider legitimacy.

Background

Al-Nusra Front co-operated with Ahrar al-Sham throughout most of 2015 and 2016. Leading Ahrar al-Sham cleric Abu Jaber Sheikh saw Jabhat al-Nusra's prior affiliation to al-Qaeda as detrimental to their cause. He also sought to unify Islamist rebel factions. He briefly led a more Islamist and less nationalist faction within Ahrar al-Sham, Jaysh al-Ahrar, which supported a merger with Jabhat Fatah al-Sham, before dissolving the group in early 2017. There were merger talks in late 2016, but these broke down. By January 20, 2017, JFS started launching attacks on rival Islamist groups in Idlib, particularly Ahrar al-Sham, before merging with several other allied Islamist groups into "Hay'at Tahrir al-Sham".

Formation

Upon its founding, HTS was described by Abu Jaber Sheikh, who became the organisation's first emir, as "an independent entity" formed through the unification of previous groups and factions.

Charles Lister, an analyst specialising in Syria, noted that Ahrar al-Sham lost around 800–1,000 defectors to HTS but gained 6,000–8,000 fighters through the merger of Suqor al-Sham, Jaish al-Mujahideen, the Fastaqim Union, the western Aleppo units of the Levant Front, and the Idlib-based units of Jaysh al-Islam. JFS lost several hundred fighters to Ahrar al-Sham but gained 3,000–5,000 fighters from its merger with Harakat Nour al-Din al-Zinki, Liwa al-Haq, Jaish al-Sunna, and Jabhat Ansar al-Din into HTS. Nour al-Din al-Zenki previously received support from the United States.

Consolidation of power (January–August 2017)

January

Throughout January 2017, intense fighting broke out between al-Qaeda loyalists of al-Nusra Front, before the JFS-Ahrar al-Sham merger to form HTS on 28 January. Soon after the merger, its new emir Abu Jaber Sheikh announced a ceasefire deal aimed at uniting all opposition militia factions under a central command. The creation of HTS was described as by the Henry Jackson Society as a reshaping of dynamics since the 2011 Syrian Revolution, with a potential to shift the balance of power in the Syrian civil war and diminish al-Qaeda's influence in northern Syria. Between 2017 and 2019, HTS launched a series of crackdowns against al-Qaeda loyalists while also targeting Islamic State (IS) cells through military operations.

On 30 January, Asharq al-Awsat reported that HTS had about 31,000 fighters, bolstered by the inclusion of various breakaway factions from Ahrar al-Sham.

February

On 3 February, a US airstrike struck a HTS headquarters in Sarmin, killing 10 members of HTS and 2 members Jund al-Aqsa.

Civilians in the rebel regions that HTS controls have resisted it. On 3 February, hundreds of Syrians demonstrated under the slogan "There is no place for al-Qaeda in Syria" in the towns of Atarib, Azaz, Maarat al-Nu'man to protest against HTS. In response, supporters of HTS organized counter-protests in al-Dana, Idlib, Atarib, and Khan Shaykhun. In Idlib pro-Ha'yat Tahrir al-Sham protests were held waving pictures of its emir Abu Jaber Sheikh on 3 February 2017.

On 4 February 2017, a US airstrike killed former al-Qaeda commander Abu Hani al-Masri, who was a part of Ahrar al-Sham at the time of his death. It was reported that he was about to defect to HTS before his death. Around 8 February, Abu Muhammad al-Maqdisi confirmed that 2 senior Jabhat Fateh al-Sham leaders loyal to al-Qaeda, including former al-Nusra deputy leader Sami al-Oraydi, left Tahrir al-Sham after its formation.

A speech was released by Abu Jaber Sheikh on 9 February. He emphasized his group as being an "independent entity" and praised his "brothers" in the "Syrian Jihad" for their "heroic" resistance against Ba'athist forces, Hezbollah and Russians. The statement urged all opposition factions to join forces with HTS and warned Syrian Sunnis; asserting that Iran will "enslave the region" if the rebels lost the war.

On 12 February, al-Bunyan al-Marsous Operations Room, of which Tahrir al-Sham was a member, launched an offensive against the Syrian Army in Daraa's Manshiyah district. HTS forces reportedly began the attack with 2 suicide bombers and car bombs.

On 13 February, clashes erupted between the previously allied Tahrir al-Sham and Jund al-Aqsa, also called Liwa al-Aqsa, in northern Hama and southern Idlib.

On 15 February, Ahrar al-Sham published an infographic on its recent defections, claiming that only 955 fighters had defected to Tahrir al-Sham. On 22 February, the Combating Terrorism Center reported that Jabhat Fateh al-Sham had formed the Tahrir al-Sham group due to its fear of being isolated, and to counter Ahrar al-Sham's recent expansion during the clashes in Idlib Governorate.

On 22 February, the last of Liwa al-Aqsa's 2,100 militants left their final positions in Khan Shaykhun, with unconfirmed reports in pro-government media that they were to join IS in Raqqa Governorate after a negotiated withdrawal deal with Tahrir al-Sham and the Turkistan Islamic Party. Afterward, Tahrir al-Sham declared the termination of Liwa al-Aqsa, and promised to watch for any remaining cells.

On 26 February, a US airstrike in al-Mastoumeh, Idlib Governorate, killed Abu Khayr al-Masri, who was the deputy leader of al-Qaeda. The airstrike also killed another Tahrir al-Sham militant. Abu Khayr's death left HTS freer to move away from al-Qaeda's any remaining influence.

March

In early March 2017, local residents in Idlib Governorate who supported FSA factions accused HTS of doing more harm than good, saying that all they've done is "kidnap people, set up checkpoints, and terrorize residents".

On 16 March, a US airstrike struck the village of al-Jinah, just southwest of Atarib, killing at least 29 and possibly over 50 civilians; the US claimed the people targeted in the strike were "al-Qaeda militants" but the Syrian Observatory for Human Rights (SOHR), local residents and local officials have said that the building struck was a mosque filled with worshipers, which was subsequently confirmed by Bellingcat.

On the morning of 21 March, according to pro-government media, a US drone strike in Darkush, Idlib Governorate, killed Abu Islam al-Masri, described as an Egyptian high-ranking HTS commander, and Abu al-'Abbas al-Darir, described as an Egyptian HTS commander; however, the Institute for the Study of War reported that the commander killed was Sheikh Abu al-Abbas al-Suri.

On 24 March, two flatbed trucks carrying flour and belonging to an IHH-affiliated Turkish relief organization were stopped at a HTS checkpoint at the entrance to Sarmada. HTS then seized the trucks and the flour, which was intended for a bakery in Saraqib. The seizure caused 2,000 families in the area to be cut off from a free supply of bread.

April

In April 2017, Jaysh al-Islam attacked HTS and expelled it from the territories under its control in Eastern Ghouta.

On 3 May, HTS arrested Suhail Muhammad Hamoud, "Abu TOW", a former FSA fighter, in a house raid in Idlib. Earlier, al-Hamoud had published a photograph of him smoking in front of a HTS billboard that prohibited smoking.

May

According to reports from pro-government Al-Masdar News, on 20 May, the main faction of the Abu Amara Battalions joined Tahrir al-Sham, which "now boasts a fighting force of some 50,000 militants" according to one pro-government media source. However, the covert operations unit of the Abu Amara Battalions based in Aleppo remained independent.

On 29 May, HTS arrested the FSA commander and activist Abdul Baset al-Sarout after accusing him of participating in an anti-HTS protest in Maarat al-Nu'man.

June

On 2 June 2017, defectors from the Northern Brigade's Commandos of Islam Brigade reportedly joined Tahrir al-Sham, although Captain Kuja, leader of the unit, stated that he is still part of the Northern Brigade.

July

During 18–23 July, HTS launched a series of attacks on Ahrar al-Sham positions, which were quickly abandoned. On 20 July 2017, the Nour al-Din al-Zenki Movement led by Sheikh Tawfiq Shahabuddin announced its withdrawal from Tahrir al-Sham amid widespread conflict between HTS and Ahrar al-Sham, and became an independent Islamist group. On 23 July 2017, Tahrir al-Sham expelled the remnants of Ahrar al-Sham from Idlib, capturing the entire city as well as 60% of the Idlib Governorate. HTS was now the dominant armed group in opposition-held Northwestern Syria.

August

On 18 August 2017, HTS captured 8 rebel fighters from the town of Madaya after it accused them of wanting to return to Madaya during a ceasefire agreement.

Attacks (early 2017)

Syrian intelligence commander Hassan Daaboul was among the 40 assassinated by Hay'at Tahrir al-Sham, in twin bomb attacks at complexes of the Ba'athist secret police in Homs. The explosion killed Ibrahim Darwish, a Brigadier General and the state security branch's chief. Abu Yusuf al-Muhajir, a Tahrir al-Sham military spokesman was interviewed by Human Voice on the bombings. Twenty-six names were released. HTS leader Abu Mohammed al-Julani mentioned the Homs attack, stating that it was a message for the "defeatist politicians" to "step aside". It has been disputed that the raid resulted in the death of Ibrahim Darwish.

On 11 March 2017, Tahrir al-Sham carried out a twin bombing attack in the Bab al-Saghir area of Damascus's Old City, killing 76 and wounding 120. The death toll included 43 Iraqi pilgrims, whom HTS claimed were "Iranian militias" supporting Assad regime's dictatorship. The attacks were at a shrine frequented by Shi'ite pilgrims and militiamen. In a statement released the following day, Tahrir al-Sham stated that the attacks targeted Iran-backed militants fight on behalf of Bashar al-Assad and condemned Khomeinist militants for "killing and displacing" Syrians.

Leadership passes from Abu Jaber (late 2017)

From September to November 2017, there were a series of assassinations of HTS leaders, in particular foreign clerics associated with the most hardline elements, such as Abu Talha al-Ordini, Abu Abd al-Rahman al-Mohajer, Abu Sulaiman al-Maghribi, Abu Yahya al-Tunisi, Suraqa al-Maki and Abu Mohammad al-Sharii, as well as some local military leaders, including Abu Elias al-Baniasi, Mustafa al-Zahri, Saied Nasrallah and Hassan Bakour. There was speculation that the assassinations were carried out either by pro-Turkish perpetrators, given the hostility between Turkey and HTS in Idlib, or by supporters of al-Sharaa's attempt to turn the organization away from hardline Salafi-jihadi positions. There were also high-profile defections from HTS in the same period, including Abdullah al-Muhaysini and Muslah al-Alyani. In December, HTS arrested several prominent jihadi activists, former members of al-Nusra who remained loyal to al-Qaeda and rejected HTS's turn away from Salafi-jihadist positions. The move was interpreted as an attempt to re-establish as a more pragmatic, pan-Sunni group, with a civilian structure. Al-Qaeda leader Ayman al-Zawahiri denounced this turn.

HTS announced Abu Jaber's resignation as the group's leader on 1 October 2017. He was succeeded by al-Nusra Front founder Ahmed al-Sharaa, who had already been the de facto military commander. On 1 October 2017, the Ibn Taymiyyah Battalions based in the town of Darat Izza defected from Tahrir al-Sham. In October 2017, Russia claimed to have injured Abu Mohammed al-Joulani in an air raid; HTS denied the claim. HTS established the Syrian Salvation Government as a technocratic civilian administration in Idlib, that rivalled the Syrian Interim Government recognized by other rebels.

In early 2018, there were reports that HTS had been significantly weakened, and now had "a small presence in Eastern Ghouta and declining influence in Idlib, northern Hama, and western Aleppo provinces", with just 250 men in Eastern Ghouta and a total of 12,000 fighters.

In February 2018, Tahrir al-Sham was accused of killing Fayez al-Madani, an opposition delegate tasked with negotiations with the government over electricity delivery in the northern Homs Governorate, in the city of al-Rastan. Hundreds of people, including fighters of the Men of God Brigade, part of the Free Syrian Army's National Liberation Movement group, proceeded to demonstrate against HTS in the city on 13 February. In response, HTS withdrew from Rastan and handed over its headquarters in the city to the Men of God Brigade. Meanwhile, al-Qaeda loyalists formed the anti-HTS Guardians of Religion Organization (Hurras al-Din) in February 2018, establishing it as the successor group of al-Nusra Front.

HTS was left excluded from the 24 February ceasefire agreement on Eastern Ghouta. In late February, a group of armed factions, including Failaq al-Rahman and Jaysh al-Islam, wrote to the UN declaring they were ready to "evacuate" remaining HTS fighters from Eastern Ghouta within 15 days. At the same time in Idlib Governorate, Ahrar al-Sham, Nour al-Din al-Zinki and Soqour al-Sham entered into conflict with HTS, taking significant territory.

During late 2017 and early 2018, it co-operated with Turkey in Idlib, leading to deepening tensions between the more pragmatic leadership and more hardline (especially foreign fighters) elements hostile to working with the Turkish government. Some of the latter split in February 2018 to form Huras al-Din. The HTS leadership also cracked down on remaining IS splinter cells active in Idlib. By August, when HTS entered into (unsuccessful) negotiations with Russia and Turkey, HTS was estimated to have around 3,000–4,000 foreign fighters, including non-Syrian Arabs, out of a total of 16,000 HTS fighters. On 31 August, Turkey declared HTS a terrorist organization.

By early 2018, HTS had cracked down on the majority of competing factions and established military control over 80% of the greater Idlib region. In the summer of 2018, HTS strengthened its crackdown campaign against cells affiliated with IS organization in Idlib and Hama regions.

2019

Revival and victory in Idlib

In January 2019, HTS was able to seize dozens of villages from rivals, and afterwards, a deal was reached in which the civil administration was to be led by HTS in the whole rebel-held Idlib Governorate.

In the wake of the 5th Idlib inter-rebel conflict, HTS gained control of nearly the entire Idlib pocket, after defeating the Turkish-backed National Front for Liberation. Following their victory, Hay'at Tahrir al-Sham would immediately violate the ceasefire treaty brokered by Turkey and Russia by placing combat units in the demilitarized zone along the Idlib-Syrian Government border, and attack SAA encampments near the area. In response to these attacks, Syrian president Bashar al-Assad increased the number of troops garrisoned near Idlib, which some have argued is an impending renewed offensive in the region, following the Northwestern Syria Campaign, where pro-government forces retook the formerly rebel-controlled Abu al-Duhur Military Airbase that was captured by the FSA and Army of Conquest in 2015. In 2019, the U.S. Deputy Assistant Secretary Defense Michael Mulroy stated that "Idlib is essentially the largest collection of al Qaeda affiliates in the world." On 10–11 July, 57 pro-government fighters were killed when HTS militants attacked Syrian positions near the fortified village of Hamamiyat. 44 militants were also killed.

2020–2022

Cooperation with Turkey

HTS successfully defended Idlib from 2019 to 2020 government offensives. During this period, HTS cemented its security partnership with the Turkish military against the Assad regime. The opposition and Islamist groups led by HTS suffered heavy losses as a result of the Dawn of Idlib 2 operation launched under the leadership of the Assad regime between December 2019 and March 2020, and many cities and towns from the Idlib Pocket fell under the control of regime forces. During this time, Turkey was protesting the siege of Turkish military observation points deployed according to the Astana agreement by regime forces and wanted Assad to stop his attack on the Idlib region. After 34 Turkish soldiers lost their lives in the Balyut attack carried out by Assad's troops, Turkey launched Operation Spring Shield. As a result of the Turkish counterattack, regime forces and their supporters suffered heavy losses. Turkey's counter-offensive halts regime forces advance into Idlib. Taking advantage of this opportunity, the opposition led by HTS launched a counterattack. This cooperation with Turkey prevented HTS and other opposition groups from losing Idlib and forced deportation to the Turkish border.

On 1 March 2021 it was reported that Hay'at Tahrir al-Sham intensified its campaign against al-Qaeda affiliate Hurras al-Din in Idlib. Since 2021, HTS has started implementing various reconstruction projects in areas under its control, with a focus on establishing civil institutions in opposition-held territories. These included the Bab al-Hawa Industrial City project and re-opening of al-Ghazawiya crossing point to connect with the Syrian Interim Government held territories.

After achieving stability in Idlib in 2021, HTS launched the policy of repatriating confiscated properties of minorities in North-West Syria. These also included the re-building of destroyed churches in Idlib. HTS commanders and SSG officials have since initiated regular meetings to engage with priests and representatives the Christian community in Idlib.

The Washington Post reported in January 2022 that the group was "trying to convince Syrians and the world that it is no longer as radical and repressive as it once was", voicing rhetoric about combating extremism, and shifting its focus to providing services to the refugees and residents of Idlib Governorate through the Salvation Government. On 7 January, Abu Muhammad al-Joulani announced the inauguration of the Aleppo-Bab al-Hawa International Road, presenting the event as part of "a comprehensive plan... to achieve development and progress for the region".

In August 2022, HTS ideologue Abu Maria al-Qahtani issued a statement demanding the dissolution of al-Qaeda and urged all AQ branches to cut ties from the organization. In 2022, HTS took a significant amount of territory and several key settlements during the October 2022 Aleppo clashes.

2023

In 2023, it was reported that Western hostilities towards HTS had decreased, but were still marked by mutual rivalry, due to conflict with American interests in the region. The U.S. State Department alleged in 2023 that the group obstructed humanitarian efforts in Idlib through licensing and registration protocols as well as through the imposition of taxes and fees on Western NGOs and regulations on aid distribution and beneficiary selection.

In a speech before the revolutionary conference of Syrian Salvation Government in May 2023, Julani announced intentions to transform the strategic map of the conflict. Stating that Tahrir al-Sham has achieved remarkable military preparation, Julani asserted that "Aleppo is the gate to Damascus and it will be under focus for one or two years." In May 2023, HTS and SDF announced separate proposals to host millions of Syrian refugees stranded across the neighboring countries, following the Arab League's reinstatement of the Assad government.

In June 2023, Tahrir al-Sham and the Syrian Democratic Forces initiated formal diplomatic talks, concluding an agreement to initiate trade of fuel supplies between Rojava and Idlib. The meetings were held against the backdrop of growing tensions between Turkey and SDF, and SDF's intention to deploy HTS as a check on the growing Turkish influence in northern Syria. For their part, HTS proposed joint counter-terrorism efforts alongside SDF. Apart from economic co-operation, the talks also involved negotiations on political arrangements, such as prospects for a joint HTS–SDF civil administration in the event that SNA forces were expelled from Northwest Syria.

2024

In November, the HTS launched the Northwestern Aleppo offensive, which it called Operation Deterrence of Aggression reportedly capturing 11 towns and villages in western Aleppo Governorate, capturing the eponymous governorate's capital of Aleppo four days into the offensive. By 4 December, HTS had captured most of Aleppo Governorate and Idlib Governorate and began to advance on Hama.

According to Abu Hassan al-Hamawi, commander of HTS's military wing, the offensive resulted from year-long strategic planning and coordination between opposition groups. Prior to the operation, HTS had developed enhanced military capabilities, establishing a dedicated drone unit and indigenous weapons production. The group deployed its newly developed "Shahin" (Arabic for Falcon) suicide drone against regime forces for the first time during the offensive. HTS additionally facilitated the creation of a unified operations room in southern Syria, synchronizing military actions with approximately 25 rebel groups to encircle Damascus from multiple fronts.

On 5 December, HTS fighters had captured the city of Hama after two-days of fighting in neighboring villages. The group said it would advance on Homs (40 km from Hama). The next day, it was reported from a rebel commander and pro-rebel media that Tahir al-Sham forces continued to advance on Homs, reportedly reaching 10 km–5 km north of the city.

On 7–8 December, Damascus fell to Syrian opposition forces, including HTS, the Southern Operations Room, and the US-backed Syrian Free Army, and Assad fled to Russia. On 30 December, HTS commander and the de facto leader of Syria, Ahmed al-Sharaa, announced that the organisation would be dissolved by 4–5 January 2025, however, this announced deadline of the formal dissolution was delayed until the finalized process took place on 29 January.

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