Inter-rebel conflict during the Syrian civil war

Inter-rebel conflict during the Syrian Civil War
Part of the Syrian civil war
Date26 July 2012 – 28 January 2017 (first phase, pre-HTS formation)
28 January 2017 - October 2022 (second phase, post-HTS formation)
Location
Belligerents
 Islamic State
Strength

Free Syrian Army 40,000–50,000
Islamic Front 40,000–50,000 (2013–14)


Syrian National Army 80,000 (2019)

Al-Nusra Front 20,000


Hay'at Tahrir al-Sham 15,000 (2022)
Islamic State 50,000 Hurras al-Din 1,000–2,000
Casualties and losses
605 civilians killed
76 unidentified killed
an additional 1,200 combatants and 150 civilians estimated killed
Total: 5,641–6,991 killed
(up until 28 June 2014)

The inter-rebel conflict during the Syrian Civil War has continued throughout the Syrian Civil War as factions of the Syrian opposition and Free Syrian Army have fought each other, with shifting alliances among various Islamist factions such as Al-Nusra Front, Ahrar al-Sham, Jaysh al-Islam and the Islamic Front.