Live: Latest updates on Moscow concert hall attack

Several gunmen in combat fatigues burst into a large concert hall in #Moscow on March 22, opening fire with automatic weapons on the crowd. Russian authorities detained 11 people, state media reported Saturday. Russia's Investigative Committee said four of those detained were directly involved in Friday's attack that left the sprawling shopping mall and music venue smoldering with a collapsed roof. CGTN is live at the scene. #CGTNonsite