U.S. Secretary of State John Kerry speaks during a new conference after meeting with his Russian counterpart Sergei Lavrov in London March 14, 2014. Kerry told Russia on Friday to make clear the meaning of its troop deployments near Ukraine. Kerry said he had raised concerns over the troop movements during six hours of talks with Russian Foreign Minister Sergei Lavrov in London aimed at reducing tensions ahead of a referendum in Ukraine’s Crimea region on March 16. REUTERS/Sean Dempsey/pool (BRITAIN – Tags: POLITICS CIVIL UNREST)