Turkish, Russian, Iranian foreign ministers agreed to hold a trilateral meeting in two weeks in the Kazakh capital Astana, said the head of Iranian diplomacy Mohammad Javad Zarif on Monday,  AAnadolu Agency  reports .
 
Preparations regarding an upcoming summit on Syria to take place in Istanbul will be on the agenda, he added.
 
The latest Syrian National Dialogue Conference was held in the southern Russian city of Sochi on Jan. 29-30.
 
At the Sochi meeting -- which included representatives from Syria and the guarantor countries Russia, Iran, and Turkey -- a proposal to form a constitutional committee was agreed by all parties.
 
Earlier in February, Turkey's Recep Tayyip Erdogan and Iran's Hassan Rouhani agreed to hold a leaders summit with Russia in Istanbul on the Syrian conflict.

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