FILE PHOTO: National security adviser John Bolton arrives for a joint news conference between U.S. President Donald Trump and Germany's Chancellor Angela Merkel in the East Room of the White House in Washington, U.S., April 27, 2018. REUTERS/Kevin Lamarque

MOSCOW (Reuters) - U.S. national security adviser John Bolton plans to visit Moscow, Kremlin spokesman Dmitry Peskov told reporters on a conference call on Thursday.

Bolton’s visit is to prepare for a possible meeting of U.S. President Donald Trump and Russian President Vladimir Putin, Interfax news agency reported earlier on Thursday citing sources.