Dozens reportedly killed, 100 injured in Moscow mass shooting: What we know about the attack in Russia WFTV [Video]

Several gunmen opened fire at a popular concert hall on the outskirts of Moscow, killing dozens of people, Russia’s Federal Security Service said Friday.

What happened

The shooting occurred at Crocus City Hall in Krasnogorsk, west of central Moscow. RIA Novosti, a Russian state-run news agency, reported that “at least three people in camouflage burst into the ground floor” of the venue and “opened fire with automatic weapons,” wounding multiple people.

The Associated Press, citing the Federal Security Service, reported that at least 40 people were killed and over 100 others injured in the attack.

Videos posted to social media and confirmed by U.S. news outlets showed men with rifles moving through the concert hall. Photos and videos from the scene showed the concert hall engulfed in flames.

According to NBC News, the Russian progressive rock band Picnic was scheduled to perform a sold-out show at the 9,500-seat venue on Friday. According to officials, the …