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Russian coal mine fire kills at least 52 people

The incident is one of the country's worst mining disasters in decades.

At least 52 people have died from a Siberian coal mine fire that resulted from a gas leak, Russia’s TASS news agency reported Thursday.

There were approximately 285 people in the Listvyazhnaya mine in Belovo, Siberia, when a fire erupted Thursday, filling the mine with smoke, the Associated Press reports. Most were evacuated, but dozens became trapped underground in a remote section of the mine.

The rescue operation was suspended due to high levels of methane and carbon monoxide, according to the Interfax news agency. The death toll includes six rescue workers.

The Russian Investigative Committee in the Kemerovo region said it will conduct a criminal probe into potential violations of industrial safety requirements on dangerous production sites.

Prosecutors believe a methane explosion is the cause of the fire, which then filled a ventilation shaft, Reuters reports, citing state television. The director of the Listvyazhnaya mine and two senior managers were arrested on suspicion of violating industrial safety rules, according to Reuters and the AP.

Kemerovo Governor Sergey Tsivilyov declared three days of mourning for the victims, according to the TASS news agency, meaning flags will be flown at half-mast, and all local entertainment events and TV shows will be canceled.

Rescuers walk at the Listvyazhnaya coal mine out of the Siberian city of Kemerovo, about1,900 miles east of Moscow on Thursday.AP

Dozens of miners were still being treated at a hospital Thursday evening. Reuters characterized the incident as one of Russia’s worst mining disasters since the Soviet Union era.

The coal mine’s owner, holding company SDS, part of the privately held Siberian Business Union, said in a statement to TASS that it will pay the families of those killed 2 million rubles, or about $26,780, with additional compensation on a case-by-case basis.