Shagid Gubashev (front), detained over the killing of Boris Nemtsov, is escorted while entering a court building in Moscow, March 8, 2015. The two men detained on Saturday in connection with the killing, Anzor Gubashev and Zaur Dadayev, were expected to be brought before a judge at a Moscow court on Sunday to be formally arrested. Gubashev and Dadayev were detained on Saturday in Ingushetia, where some members of their families live, according to Albert Barakhayev, Security Council secretary in the Ingushetia region. He said a relative of Gubashev was also detained, though this has not been confirmed by officials investigating Nemtsov's killing. REUTERS/Tatyana Makeyeva (RUSSIA - Tags: CRIME LAW POLITICS)