A US official confirmed a meeting was being set up, and diplomats said it would take place at 2 pm (1800 GMT) in a New York hotel.
The United States and Russia are to chair a meeting in New York on Thursday bringing together world powers with a stake in Syria’s civil war, officials told AFP.
The 23-nation International Syria Support Group (ISSG) was set up to push for a ceasefire and an eventual political resolution to the bloody five-year-old conflict.
Press stakeout here.
Live webstream of the press stakeout is available here.