Interior Ministry officers detain unidentified men, dressed as a cucumber and a tomato, during a rally held by opposition supporters in central Moscow, April 6, 2013. Protesters demanded the release of anti-government activists detained at Moscow's Bolotnaya Square on May 6, 2012, the eve of Putin's inauguration. The signs read "We are not vegetables" (R) and "Release everybody home". REUTERS/Sergei Karpukhin (RUSSIA - Tags: POLITICS CIVIL UNREST)