Members of a creative group hold placards with portraits of Yuri Gagarin and wear cosmonaut costumes during a performance in Moscow April 12, 2011. Russia on Tuesday celebrates the pioneering flight on April 12, 1961 that made Yuri Gagarin the first man in space. [Photo/Agencies]

A young woman pauses near the entrance to the Oktyabrskaya metro station in Minsk April 12, 2011. Police in Belarus carried out spot checks on roads and at stations and airports on Tuesday after a bomb blast tore through a crowded metro station in the capital Minsk on Monday evening, killing at least 12 people. [Photo/Agencies]