- Turkish President Recep Tayyip Erdogan said five new countries could participate in the " Astana " talks on the settlement in Syria . 

Turkish President Recep Tayyip Erdogan said five new countries could join the "Astana" talks on the settlement in Syria. "In the future, many steps can be taken to strengthen the Astana talks," Erdogan said 

in an interview with reporters on board the Turkish presidential plane returning from Russia .

"Five new countries may participate in the talks - Jordan, Iraq , Lebanon, Germany and China," he said, stressing that "the decisions that will be reached will become stronger at the international level." 

"In the near future, there is the possibility of a presidential summit bringing together the leaders of Russia, Turkey, France and Germany to discuss the Syrian situation," he said, adding that Russian President Vladimir Putin welcomed the meeting. 

Erdogan said that "to hold such a summit, it is necessary to make progress in the formation of a constitutional committee on Syria," according to quoted newspaper "Sabah" Turkish. 

The Kazakh Foreign Ministry had previously announced that the next round of "Astana" talks on Syria was scheduled for April 25-26 in Noor al-Sultan.