Russian President Vladimir Putin leaves the stage after speaking during the opening ceremony of the Belt and Road Forum at the China National Convention Center in Beijing on May 14, 2017.
Russian President Vladimir Putin addresses the Federal Assembly at Moscow's Manezh Central Exhibition Hall for his state of the union address on March 1, 2018.
Military personnel wearing protective suits remove a police car and other vehicles from a public car park as they continue investigations into the poisoning of Sergei Skripal, in Salisbury, England, on March 11, 2018.
Former special counsel Robert Mueller testifies before a House Judiciary Committee hearing on the Office of Special Counsel's investigation into Russian interference in the 2016 presidential election on Capitol Hill in Washington on July 24.
Ukraine's then-president, Petro Poroshenko, listens to then-presidential candidate and comedian Volodymyr Zelensky during an election debate in Kiev on April 19.
A family picture shows Andriy Oprysko, right, a 47-year-old seaman—one of 24 Ukrainian sailors who have been held captive by Moscow since the incident on the Kerch Strait—posing with his son, also named Andriy Oprysko.