Reporters walk in the media center set for Syria peace talks, in Astana, Kazakhstan, January 23, 2017.

Delegations from Russia, Turkey and Iran issued a joint statement on the latest Syria talks in Astana and scheduled the next meeting in May, Kazakhstan’s Deputy Foreign Minister Akylbek Kamaldinov said on Wednesday.

The next round of talks will take place on May 3-4, Kamaldinov said.

Russian negotiator Alexander Lavrentiev said some of the Russian, Turkish and Iranian delegates would remain in Astana for meetings with rebels.

Syrian government negotiator Bashar al Ja’afari said his delegation had not discussed a constitutional commission for the war-torn state during the latest round of Syria peace talks in Astana.

Speaking in the Kazakh capital, Ja’afari said the only document the Syrian government delegation had discussed with Russia was related to de-mining cultural heritage sites.