U.S. President Barack Obama extends his hand to Russian President Vladimir Putin during their meeting at the United Nations General Assembly.

Russian and U.S. leaders, Vladimir Putin and Barack Obama, discussed information sharing on the crisis in Syria when they met in New York on Monday, Kremlin spokesman Dmitry Peskov said.

Peskov said an information center was being established in Baghdad to share information between Russia, Iran, Iraq and Syria. Russia has also agreed a separate such mechanism with Israel.

Peskov said he had no information of any Russian airstrikes taking place against targets in Syria.

He also said ties between Washington and Moscow were still not at their best but expressed willingness to cooperate with the United States on solving acute crises, including in Syria.

Moscow has said the Baghdad center should become the foundation of a wide international coalition for combating ISIS.

“It is no secret that American specialists and American military have been invited to work in the Baghdad center,” Peskov told journalists on a conference call.

“Unfortunately, they have not participated in the first meetings and discussions.”

Separately on Tuesday, Russian state news agency RIA quoted an unnamed source as saying the center was expected to kick off in October or November.