The meeting also involved Russian Presidential Aide Yury Ushakov MOSCOW, August 6. /TASS/. Russian President Vladimir Putin and US Special Presidential Envoy Steve Witkoff have concluded their meeting at the Kremlin, the Russian presidential press service said. The meeting, which lasted about three hours, also involved Russian Presidential Aide Yury Ushakov. Witkoff’s motorcade has left the Kremlin, a TASS correspondent reported.