Moscow Metro derailment: Dozens reportedly injured as several cars derailed

Dozens have reportedly been injured as several subway cars derailed on the Moscow Metro on the Arbatsko-Pokrovskaya blue Metro line on Tuesday morning, rt.com reports.

"According to preliminary reports, the fourth subway train car derailed 200 meters away from Slavyansky Bulvar Metro station," a source in Moscow law nforcement agencies told ITAR-TASS.

A law enforcement official later told ITAR-TASS that not one, but three train cars had derailed, “but not overturned.” The same source said 50 people could have been injured.

About 20 people remain trapped in one of the train carriages, according to RIA Novosti, citing a source with the Moscow Police.