sentences:  Beginning in 2012, Fatah al-Islam claimed a small number of attacks in Syria, but its leadership has been decimated in recent months.In April 2012, one of the leaders of the group, Abdel Ghani Jawhar, was killed in the city of Al-Qusair, Syria, after accidentally blowing himself up while making a bomb.The chief of its military wing (the Caliphate Brigades), Nidal al-Asha, was killed in Aleppo in July 2012, and the group's emir, Abdelaziz al-Kourakli (Abu Hussam al-Shami), died in an ambush on the Deraa–Damascus road in September 2012.