FILE PHOTO: A combination of file photos showing Russian President Vladimir Putin at the Novo-Ogaryovo state residence outside Moscow, Russia, January 15, 2016 and U.S. President Donald Trump posing for a photo in New York City, U.S., May 17, 2016. REUTERS/Ivan Sekretarev/Pool/Lucas Jackson/File Photos

MOSCOW (Reuters) - Russian President Vladimir Putin and U.S. President Donald Trump will speak by phone on Tuesday, RIA news agency quoted Kremlin spokesman Dmitry Peskov as saying.

Trump will speak with Putin on Tuesday at 12:30 p.m. EDT, the White House said on Monday night.

A senior Trump administration official said the two leaders would likely discuss the civil war in Syria, where Moscow backs the government of Bashar al-Assad and the United States supports rebels trying to overthrow him.