A file picture taken June 25, 2014 shows Zahran Alloush, the leader of Jaysh al-Islam The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus. The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus. The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus.

A file picture taken June 25, 2014 shows Zahran Alloush, the leader of Jaysh al-Islam The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus. The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus. The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus.

A file picture taken June 25, 2014 shows Zahran Alloush, the leader of Jaysh al-Islam The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus. The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus. The head and several leaders of one of Syria’s most powerful rebel groups, Jaysh al-Islam, have been killed in an air strike east of Damascus.