Moscow's mayor has called a bomb attack on a restaurant a "brutal terrorist act" but hasn't specified who is responsiblePolice block an area near a deadly explosion at a restaurant in Moscow, Saturday, Aug. 1, 2026. (Sergei Vedyashkin/Moscow News Agency via AP)Police block an area near a deadly explosion at a restaurant in Moscow, Saturday, Aug. 1, 2026. (Sergei Vedyashkin/Moscow News Agency via AP)Police block an area near a deadly explosion at a restaurant in Moscow, Saturday, Aug. 1, 2026. (Sergei Vedyashkin/Moscow News Agency via AP)Police block an area near a deadly explosion at a restaurant in Moscow, Saturday, Aug. 1, 2026. (Sergei Vedyashkin/Moscow News Agency via AP)Moscow mayor Sergei Sobyanin called on Sunday a bomb attack on a restaurant in the capital the day before a “brutal terrorist act,” but did not say who was responsible.