A day earlier, the Pentagon said security mechanisms of the Syria safe zone agreement will be implemented in stages. Turkey and the US agreed on August 7 to set up a peace corridor and establish a joint operations centre to organise said safe zone.
Turkey will launch an operation in Syria if a safe zone is not established, Turkey's Minister of Foreign Affairs says, as US envoy James Jeffrey meets senior officials in Ankara and regime and Russia step up deadly attacks in de-escalation zones.