. . . . . . . . "further suicide bombings on the Moscow Metro" . . "2010 Moscow Metro bombings" . "The attacks" . . . . . "2010 Moscow Metro bombings" . "attacked two railway stations in Russia" . "Metro suicide bombings" . . . . "struck" . . . . "terrorist attack" . . . . . . "terrorist attack at Lubyanka station" . . "2010 Moscow Metro bombings#Perpetrators" . . "Moscow Metro bombings" . . "hit the Moscow Metro system" . . "another metro attack seven years before" . . "bombed two Moscow subway stations" . "Moscow Metro bombings." . "suicide bomb attacks" . . "Moscow Metro bombings (2010)" . "twin bombings" . . .