Agreement sees end to hostilities beginning at midnight along existing battle lines, as well as joint patrols to stem bloodshed in war-torn Idlib province

Ankara confirms incident, says it also hit Syrian air defenses after its drone was downed; 4 crew members reportedly eject safely over Idlib

Ankara announces move after weekend strikes that killed dozens of Turkish, Syrian fighters, amid regime onslaught in Idlib that has displaced almost a million people

Fresh offensive risks becoming full-blown conflict between Turkey and Assad's forces, shattering cooperation between Ankara and Moscow

Tensions between Damascus and Ankara have been running high after deadly clashes in northwest Syria

Turkish president threatens to strike Syrian regime forces after eight Turkish soldiers killed

Referring to Turkey's claims that it 'neutralized' 101 Syrian soldiers in retaliation for the slaying of 5 Turkish servicemen, president says 'regime got what it deserved'

5 wounded in latest fighting between two militaries vying for control of Idlib province areas in northwestern Syria

Recapture of Saraqeb comes as Assad regime pushes to retake the last rebel-held province of Idlib; Turkey sending more troops to the area

Weeks of intensive aerial bombardment and a bruising ground offensive have emptied towns in the region, sending hundreds of thousands fleeing their homes