Three of the four suspects charged with carrying out the concert hall attack in Moscow that killed more than 130 people have pleaded guilty in a Russian court.Moscow's Basmanny District Court formally charged Dalerdzhon Mirzoyev, 32, Saidakrami Rachabalizoda, 30, Mukhammadsobir Faizov, 19, and Shamsidin Fariduni, 25, with committing a terrorist attack.

Three of the four suspects charged with carrying out the concert hall attack in Moscow that killed more than 130 people have pleaded guilty in a Russian court.Moscow's Basmanny District Court formally charged Dalerdzhon Mirzoyev, 32, Saidakrami Rachabalizoda, 30, Mukhammadsobir Faizov, 19, and Shamsidin Fariduni, 25, with committing a terrorist attack.