US National Security Advisor John Bolton.

US National Security Advisor John Bolton will visit Moscow to continie discussions that began at the meeting between Russian President Vladimir Putin and US President Donald Trump in Helsinki on July 16.

"Heading to Moscow tomorrow to meet with senior Russian leaders, including Foreign Minister Sergei Lavrov and Security Council Secretary Nikolai Patrushev, to continue discussions that began in Helsinki between our two countries," Bolton wrote on his Twitter account on Friday.

The Trump Administration said earlier that on this trip, Bolton will also visit Azerbaijan, Armenia and Georgia. The US national security advisor has already visited Moscow this year - at the end of June. At the end of August, Bolton held talks with Russian Security Council Secretary Nikolai Patrushev in Geneva.