 The activist, severely wounded and admitted to a hospital, was murdered on 19 October by Omari Brigades fighters.In 2016, the group participated in the fight between the Syrian opposition and two Islamic State of Iraq and the Levant-affiliated groups, the Yarmouk Martyrs Brigade and the Islamic Muthanna Movement.On 1 April, ISIL attempted to assassinate Fares Adib al-Baydar, the former brigade leader.