MOSCOW, July 15. /ITAR-TASS/. The US Embassy in Moscow has expressed condolences to the families of people who died in Tuesday's metro train crash.

"We offer our condolences to the families of victims and people injured in today's accident in Moscow's metro," the tweet written in Russian on the embassy's official page says.

The accident occurred on Tuesday morning right in the rush hour between the Park Pobedy and Slavyanskiy Bulvar stations of the Arbatsko-Pokrovskaya line. According to latest reports, 20 people have died. 129 injured have been hospitalized, 42 of them in severe condition.