The Al Nusrah Front, the Islamic Front, and the Islamic State of Iraq and the Sham clashed with regime, NDF, and Hezbollah forces near Yabroud city in Reef Dimashq; regime helicopters dropped barrel bombs in the vicinity. ISIS seized portions of the Yarmouk camp in Damascus. In Aleppo, the Al Nusrah and Ahrar al Sham continued to besiege the central prison, and ISIS fought against rebels and the Jabhat Al-Kurd. In Raqqah, regime forces bombarded an ISIS convoy and battled ISIS fighters in Ein Essa. In Idlib, Al Nusrah, Jund al-Aqsa battalion, Dawood brigade, Khattab battalion, Thuwar Saraqeb front, and Thuwar Souriya seized checkpoints from regime forces; two Islamic commanders were killed. Al Nusrah claimed a March 1 attack in Hama and a March 2 attack in Aleppo. Two Los Angeles gang members are reportedly fighting for Hezbollah in Aleppo. The OPCW said Syria has shipped nearly a third of its chemical weapons out of the country so far.