Opposition groups and anti-regime armed groups in Syria said Wednesday that they had downed an Assad regime warplane in the Idlib de-escalation zone of northwestern Syria. The Fatah al-Mubin -- joint operations room of the opposition and anti-regime armed groups -- said that the regime was trying to hit rural parts of northern Hama and southern Idlib with the Su-22 warplane. Muhammad Rashid from Nasir Army, a faction of the ...