(FILES) A file picture taken on July 16, 2013, shows Russia's President Vladimir Putin (R) and Defence minister Sergei Shoigu (L) watching military exercises in the Pacific Ocean near the Sakhalin island. Putin ordered yesterday snap combat readiness drills near the Ukrainian border, which raised fears of the Kremlin using its military muscle to sway the outcome of a three-month crisis that has pitted Moscow against the West in a Cold War-style confrontation over the future of the strategic nation of 46 million. AFP PHOTO/ RIA-NOVOSTI/POOL / ALEXEI NIKOLSKY

Russia's President Vladimir Putin attends a meeting in his Novo-Ogaryovo residence, outside Moscow on February 26, 2014. The headaches of Ukraine's new pro-Western interim leaders are compounded by Moscow's decision to freeze payments on a massive bailout package that Putin promised to ousted Ukrainian President Viktor Yanukovych as his reward for rejecting closer EU ties. AFP PHOTO/ RIA-NOVOSTI/ POOL/ MIKHAIL METZEL

Russia's President Vladimir Putin attends a meeting in his Novo-Ogaryovo residence outside Moscow, on February 18, 2014 . Two members of Russian punk group Pussy Riot who were released from prison colonies late last year Maria Alyokhina, were arrested today in the centre of the Winter Games host city of Sochi over accusations of theft from a local hotel. Tolokonnikova and Alyokhina had already been in Sochi for two days with the aim of performing a new song titled "Putin will teach you how to love the motherland." AFP PHOTO/ RIA-NOVOSTI/ POOL/ MIKHAIL METZEL

Russia's President Vladimir Putin watches the men's cross-country 4 x 10km relay event at the 2014 Sochi Winter Olympics on February 16, 2014. AFP PHOTO/ RIA-NOVOSTI/ POOL/ MIKHAIL KLIMENTYEV

Russia's President Vladimir Putin watches the men's cross-country 4 x 10km relay event at the 2014 Sochi Winter Olympics on February 16, 2014. AFP PHOTO/ RIA-NOVOSTI/ POOL/ MIKHAIL KLIMENTYEV

Russia's President Vladimir Putin gestures during a meeting with Business 20 and Labour 20 representatives during the G20 summit on September 6, 2013 in Saint Petersburg. AFP PHOTO / TATYANA ZENKEVICH

Russia's President Vladimir Putin attends a meeting with G20 states finance ministers in the Kremlin in Moscow on February 15, 2013. The unpredicted meteor strike in the Urals city of Chelyabinsk that left yesterday hundreds of people injured, left some Russian officials calling for the creation of a global system of space object defence. AFP PHOTO/ RIA-NOVOSTI POOL / ALEXEI NIKOLSKY

Russian President Vladimir Putin speaks to financial ministers and heads of central banks of the G20 group of nations ahead of their key meeting this weekend in Moscow, Russia, Friday, Feb. 15, 2013. Russia's President Vladimir Putin has called on financial chiefs of the world's leading industrial and developing nations to consider political and social implications of the crucial policy steps they take. (AP Photo/Alexander Zemlianichenko)

TO GO WITH AFP STORY BY NICOLAS MILETITCH Russia's President Vladimir Putin chairs a government meeting in Russia's Black Sea resort of Sochi on February 4, 2013. Moscow views the 2014 Winter Olympics in Sochi as a chance to improve Russia's image, but analysts say the event is unlikely to stifle Western criticism of its poor record on rights.AFP PHOTO/ RIA-NOVOSTI/ POOL/ ALEXEY DRUZHININ

MOSCOW, Russia - Russian President Vladimir Putin holds a press conference in Moscow on Dec. 20, 2012. (Kyodo)

Russia's President Vladimir Putin gestutres during a meeting in the Kremlin in Moscow, on December 13, 2012. Putin condemned today as unfriendly the so-called Magnitsky Act passed by the US Congress targeting Russian officials implicated in the prison death of lawyer Sergei Magnitsky. AFP PHOTO/ RIA-NOVOSTI/ POOL / ALEXEI NIKOLSKY

Russia's President Vladimir Putin chairs a meeting in his Novo-Ogaryovo residence outside Moscow, on October 23, 2012. Russian opposition activist Leonid Razvozzhayev, who is now being held in a Moscow prison, told rights activists who visited him in detention that he was abducted from Ukraine, apparently by Russian special services, and tortured into confessing to a plot against President Vladimir Putin, a report of the New Times weekly said today. AFP PHOTO / RIA-NOVOSTI POOL/ MIKHAIL KLIMENTYEV

Russia's President Vladimir Putin looks on as he chairs a session of the State Council's Presidium at the Kremlin in Moscow, on October 9, 2012. AFP PHOTO / POOL/ SERGEI KARPUKHIN

Bildnummer: 58448250 Datum: 09.09.2012 Copyright: imago/Xinhua (120909) -- VLADIVOSTOK, Sept. 9, 2012 (Xinhua) -- Russian President Vladimir Putin addresses a news conference at the end of the annual APEC Economic Leaders Meeting in Vladivostok, east Russia, Sept. 9, 2012. (Xinhua/Jiang Kehong) (zw) RUSSIA-VLADIVOSTOK-APEC-PUTIN-PRESS CONFERENCE PUBLICATIONxNOTxINxCHN Politik people xas x0x Portrat 2012 quer premiumd 58448250 Date 09 09 2012 Copyright Imago XINHUA Vladivostok Sept 9 2012 XINHUA Russian President Vladimir Putin addresses a News Conference AT The End of The Annual APEC Economic Leaders Meeting in Vladivostok East Russia Sept 9 2012 XINHUA Jiang Kehong ZW Russia Vladivostok APEC Putin Press Conference PUBLICATIONxNOTxINxCHN politics Celebrities x0x Portrait 2012 horizontal premiumd

Bildnummer: 58448238 Datum: 09.09.2012 Copyright: imago/Xinhua (120909) -- VLADIVOSTOK, Sept. 9, 2012 (Xinhua) -- Russian President Vladimir Putin addresses a news conference at the end of the annual APEC Economic Leaders Meeting in Vladivostok, east Russia, Sept. 9, 2012. (Xinhua/Lu Jinbo) (lyx) RUSSIA-VLADIVOSTOK-APEC-PUTIN-PRESS CONFERENCE PUBLICATIONxNOTxINxCHN Politik people xas x0x 2012 quer Highlight premiumd 58448238 Date 09 09 2012 Copyright Imago XINHUA Vladivostok Sept 9 2012 XINHUA Russian President Vladimir Putin addresses a News Conference AT The End of The Annual APEC Economic Leaders Meeting in Vladivostok East Russia Sept 9 2012 XINHUA Lu Jinbo lyx Russia Vladivostok APEC Putin Press Conference PUBLICATIONxNOTxINxCHN politics Celebrities x0x 2012 horizontal Highlight premiumd

Bildnummer: 58441291 Datum: 07.09.2012 Copyright: imago/Xinhua (120907) -- VLADIVOSTOK, Sept. 7, 2012 (Xinhua) -- Russian President Vladimir Putin speaks during the Asia-Pacific Economic Cooperation (APEC) CEO summit in Vladivostok, Russia, Sept. 7, 2012. Russia-China trade had flourished and would soon reach 100 billion U.S. dollars, Putin said here Friday. (Xinhua/APEC) (zy) RUSSIA-VLADIVOSTOCK-PUTIN-CHINA-TRADE PUBLICATIONxNOTxINxCHN people Politik xas x0x Portrat premiumd 2012 quer 58441291 Date 07 09 2012 Copyright Imago XINHUA Vladivostok Sept 7 2012 XINHUA Russian President Vladimir Putin Speaks during The Asia Pacific Economic Cooperation APEC CEO Summit in Vladivostok Russia Sept 7 2012 Russia China Trade had and Would Soon Reach 100 Billion U S Dollars Putin Said Here Friday XINHUA APEC ZY Russia Putin China Trade PUBLICATIONxNOTxINxCHN Celebrities politics x0x Portrait premiumd 2012 horizontal

Russian President Vladimir Putin waits to greet Chinese President Hu Jintao before their meeting during the Asia-Pacific Economic Cooperation (APEC) summit in Vladivostok, Russia, Friday, Sept. 7, 2012. (AP Photo/Maxim Shipenkov, Pool)

Russian President Vladimir Putin attends a plenary session at the APEC summit in Vladivostok, Russia, Friday, Sept. 7, 2012. (AP Photo/Mikhail Metzel)

Russian President Vladmir Putin watches the judo competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Paul Sancya)

Russian President Vladimir Putin attends a joint news conference with Turkish Prime Minister Recep Tayyip Erdogan after their talks in the Kremlin in Moscow, Wednesday, July 18, 2012. (AP Photo/Ivan Sekretarev)