A representative of the administration told Interfax about this.

“Yes, 52 people were killed,” the source said.

On the morning of November 25, a smoke was generated at the Listvyazhnaya coal mine in the town of Belovo, Kemerovo Region.

Later, Deputy Prosecutor General of Russia Dmitry Demeshin said that a methane explosion was considered the preliminary cause of the emergency at the Listvyazhnaya mine.

On the evening of November 25, the media reported that as a result of the tragedy, according to preliminary data, 52 people were killed, including six rescuers.

After the accident, the authorities of the Kemerovo region declared a three-day mourning period from 26 to 28 November.

The chairman of the Investigative Committee of Russia, Alexander Bastrykin, promised that the most thorough check of the emergency would be carried out.