MOSCOW, Feb. 29 (Xinhua)-Russian President Vladimir Putin and his Iranian counterpart Hassan Rouhani discussed the recent escalation of tensions in Syria's Idlib during a phone conversation on Saturday, the Kremlin said in a statement.

"Detailed consideration was given to the developments in Syria in the context of increasing tension in the Idlib de-escalation zone," the statement said.

The parties agreed on the necessity of the full implementation of arrangements reached within the Astana format concerning, above all, the fight against terrorists with respect for the sovereignty and territorial integrity of Syria, it added.

According to the statement, some topics on the bilateral agenda were covered.   ■