On Thursday two miners have been buried after the collapse of the layer in the Tsentrsoyuz mine which belongs to the Sverdlovskantratsit holding company in Sverdlovsk, Lugansk Region (Eastern Ukraine), the press centre of the Ukrainian emergency ministry reported.
The miners have not been found yet, a mine-rescue crew searching for them.
This accident has been a third one at Ukrainian mines this week. Three miners were killed. All in all 225 miners died in Ukraine since the beginning of this year.