A bus crashed into a Moscow subway entrance, killing at least four people and injuring 15, Russian officials said.
The bus bounced down the steps after leaving the road and before crashing into the subway entrance roof, the BBC reported. The crash took place near the Slaviansky Boulevard station in Moscow.
Russian officials said the driver told police that the bus began to move suddenly. Officials said there are no indicators that the crash is a terrorist attack.
The driver tried to apply the brakes, but they didn’t work, according to the investigative committee, as the broadcaster reported. The driver was sober during the crash.
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Security camera footage shown on Russian television revealed people being struck by the bus as it headed down the steps.
Monday was an ordinary workday in Russia where Orthodox Christmas will be celebrated on Jan. 7, Reuters noted.
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An unnamed emergency services source told TASS news agency that the number of fatalities had risen to five people. There were also unconfirmed reports that some 15 people had been injured.
Interfax news agency said investigators were looking into whether the incident had occurred as a result of a technical fault with the bus.
Other details about the crash were not revealed.
Reuters contributed to this report.