IRNA � Senior advisor to Iranian foreign minister Hossein Jaberi Ansari in a meeting with UN secretary-general's envoy Staffan de Mistura discussed ways to implement Astana talks agreement.

During the meeting, both sides reviewed the latest developments in Syria and ways to implement Astana agreement and Syrian National Congress meeting final document.

They also exchanged views on Iran-UN cooperation to end Syrian crisis and to restore peace and stability to Syria.

De Mistura had already visited Moscow and Ankara.

The new round of Astana talks is going to be held on May 14-15.

He is also going to take part in a conference in Brussels at the presence of EU ministers and US representatives on April 24- 25 and to report to the UN Security Council.

This is while the three guarantors of the ceasefire in the de-escalation zones of Syria, i.e. Iran, Russia and Turkey, started Syria peace talks in 2017 in Astana, Kyrgyzstan capital, which has had a lot of positive impacts on restoring ceasefire to many parts of Syria.