Russian Presidential Envoy for Syria Alexander Lavrentyev and Secretary of Iran’s Supreme National Security Council Ali Shamkhani held talks in Tehran on Monday, the Tasnim news agency said.

The Russian envoy and the Iranian senior security official discussed political resolution to the Syrian conflict.

According to the news agency, Shamkhani praised cooperation between Tehran, Damascus and Moscow, pointing out that it had become a leading factor in giving the upper hand to the Syrian army against terrorism.

The Russian presidential envoy for Syria has arrived in Iran to deliver a report on the recent quadrilateral summit of Russia, Turkey, France and Germany held in Istanbul.

On October 27, Russian President Vladimir Putin, Turkish President Recep Tayyip Erdogan, French President Emmanuel Macron and German Chancellor Angela Merkel held quadrilateral talks on Syria in Istanbul. The leaders confirmed their adherence to political and diplomatic resolution to the Syrian conflict, hailed Russian and Turkish efforts to set up a demilitarized zone in the Idlib province, and urged to intensify efforts to provide Syria with humanitarian aid, including restoration of damaged infrastructure. The leaders adopted a joint statement at the summit.