Russian President Vladimir Putin is expected to call U.S. President Donald Trump is coming days to congratulate him on taking office, Kremlin spokesman Dmitry Peskov was quoted as saying by RIA news agency.

TASS quoted Peskov separately as saying that it was impossible to resolve Syria crisis in a constructive way without U.S. involvement, Reuters reports.

Trump was sworn in as the 45th President of America on Friday, January 20 and vowed to rebuild the country using "American hands".