Russian President Vladimir Putin (C) pays last respects at the coffin of killed Russian ambassador to Turkey, Andrey Karlov, during a memorial service at the Russian Foreign Ministry building in Moscow, Russia. Photo Alexey Nikolsky/Sputnik/EPA
Russian President Vladimir Putin returns to his seat after delivering a speech at the World Energy Congress, in Istanbul. Photo Emrah Gurel/AP
Russian President Vladimir Putin attends a meeting with Turkish President Tayyip Erdogan in St. Petersburg, Russia
Russian President Vladimir Putin lays flowers during a wreath-laying ceremony in the Alexander Garden near the Kremlin wall in Moscow to mark the 75th anniversary of the Nazi German invasion into the then Soviet Union territory on 22 June 1941
People walk past a mural on a restaurant wall depicting US Presidential hopeful Donald Trump and Russian President Vladimir Putin greeting each other with a kiss in the Lithuanian capital Vilnius
Russian President Vladimir Putin gestures after speaking to the media after his marathon call-in TV show in Moscow, Russia
Russian President Vladimir Putin takes part in a training session of the Night Hockey League at the Galaktika center in Krasnaya Polyana on Wednesday
Russian President Vladimir Putin (L) shakes hands with U.S. President Barack Obama as they meet during the World Climate Change Conference 2015 (COP21) at Le Bourget, near Paris, France.
Kayhan Ozer/Anadolu Agency/EPA
President Vladimir Putin signs G20 family photo at the G20 Summit in Antalya, Turkey
Russian President Vladimir Putin takes part in a gala opening match of the Night Hockey League new season in Sochi, Russia on Wednesday
An Yuri Kochetkov/Reuters
An honor guard opens the door as Russian President Vladimir Putin (R) enters a hall to attend a meeting with members of the Presidential Council for Civil Society and Human Rights at the Kremlin in Moscow, Russia, on Thursday.
Ralph Orlowski /Reuters
A papier mache figure for carnival floats depicting Russian President Vladimir Putin is pictured during preparations for the upcoming Rose Monday carnival parade in Mainz on Tuesday
Alexei Druzhinin/RIA Novosti/Reuters
Russian President Vladimir Putin poses for a picture with youths who took part in the Nanjing 2014 Youth Olympic Games, as he visits a local Olympic youth sports school in Cheboksary on Thursday
Vladimir Putin (left), president of Russia, and Dmitry Medvedev (centre), prime minister, ride in a ski cable car as they visit the Laura cross-country and biathlon centre near the Black Sea resort of Sochi, which will host the Winter Olympic Games this year .
Russian President Vladimir Putin enters is at the Grand Kremlin Palace in Moscow, Russia, to deliver the annual state of the nation address
Russian President Vladimir Putin on board Sea Explorer 5 bathyscaphe near the isle of Gogland in the Gulf of Finland, on Monday. Putin is visiting the site where the Russian frigate Oleg sank in 1869.
On day two of the G8 Summit at Lough Erne, leaders take a walk on Tuesday in the area around the two connected lakes in Northern Ireland. From left to right, Shinzo Abe, Japanese prime minister, Angela Merkel, German chancellor, Vladimir Putin, Russian president, David Cameron, British prime minister, Barack Obama, US president, Francois Hollande, French president, Stephen Harper, Canadian prime minister, and Enrico Letta, Italian prime minister. The leaders are meeting for talks that include the global economy and tax avoidance
Vladimir Putin, the Russian president, arrives for a meeting of the State Council in the Kremlin in Moscow on Friday
Russian president Vladimir Putin (left) welcomes Japanese prime minister Shinzo Abe during their meeting in the Kremlin in Moscow. The meeting is to discuss bilateral co-operation and international issues, including the situation on the Korean peninsula.