MOSCOW, November 30. /TASS/. Russian Foreign Minister Sergey Lavrov and Foreign Minister of Iran Abbas Araghchi noted the importance of more active efforts to stabilize the situation in Syria, the Russian Foreign Ministry said after the telephone conversation between the ministers.

"Both sides expressed extreme concerns of the dangerous escalation of the situation in Syria in connection with the terrorist assault of armed groups in Aleppo and Idlib provinces during the talk. The decisive support of sovereignty and territorial integrity of the Syrian Arab Republic was confirmed," the Russian Foreign Ministry said. "The ministers agreed with the need to make more active joint efforts aimed at stabilizing the situation in Syria and the urgent comprehensive review of the situation within the framework of the Astana format," the ministry added.

The two ministers expressed support to actions of authorities and the army of Syria of thwarting the terrorist attack against the northern part of the country, the Foreign Ministry of Iran informed in its turn.