By May 2018, an insurgency had broken out in the Afrin District, as YPG [9] along with allied militants, as well as an armed insurgent group called the "Afrin Falcons",[10] which have been carrying out bombings, ambushes and assassinations against the Turkish army, allied opposition forces, and civilians sympathetic or affiliated with them.[9][11] Other areas with pro-SDF guerilla activity include, Azaz and al-Bab, along with guerilla activities clashes regularly occur between Syrian opposition factions allied with Turkey and Pro-SDF and at times Syrian governmental forces in nearby areas with pro-SDF insurgents at times operating from these locations.