MOSCOW. May 11 (Interfax) - A citizen of one of the Central Asian republics who may have been in touch with the perpetrator of the April 3 terrorist attack in the St. Petersburg metro system has been detained in Moscow, the Russian Federal Security Service (FSB) said.
"The FSB of Russia, as part of a separate investigative instruction by the Russian Investigative Committee, carried out a search operation in Moscow on May 11, 2017 and detained a citizen of one of the Central Asian republics, M.B. Ermatov, involved in illegal turnover of explosive substances, who acted as a connection of the suicide bomber Agbarzhon Dzhalilov who detonated an improvised explosive device in the St. Petersburg subway on April 3, 2017," the FSB told Interfax on Thursday.