“An employee of the VGSCh (military mountain rescue unit. -

RT

) has died.

The cause of death is being established," the source said.

According to preliminary data, the man felt unwell during the search and rescue operation.

The Raspadskaya coal company said that the cause of the rock collapse was a seismic event.

After the emergency, 188 out of 190 miners were brought to the surface from the mine.

Rescuers raised the body of one of the dead miners at a mine in Kuzbass.