The petitioners believe the building was not adequately equipped with fire protection systems. Read also: Russian authorities progress in Moscow concert hall attack probe ...

MOSCOW (AP) — One year since the Moscow concert hall attack killed 145 people, Russian officials asserted Saturday that it was planned and organized by "the special services of an unfriendly ...

In this pool photograph distributed by Sputnik agency Head of Russia's FSB security service Alexander Bortnikov looks on as Russia's President chairs a meeting with members of Security Council, ...

MOSCOW (AP) — Russian officials on Saturday accused “the special services of an unfriendly state” of planning and organizing last year's attack on the Moscow concert hall in which 145 people ...

Russia on May 24 admitted for the first time that Islamic State coordinated the deadly concert hall attack in Moscow in March. "In the course of the investigation... it has been established that ...

MOSCOW (AP) — One year since the Moscow concert hall attack killed 145 people, Russian officials claim it was planned and organized by “the special services of an unfriendly state.” ...