At the moment of the blast, 172 miners were working at the mine.
The State Emergency Service on Thursday reported an explosion at mine No. 10 Stepova of JSC Lvivvuhillia in the village of Hlukhiv in Lviv region`s Sokalskiy district
It is noted that the explosion occurred at the depth of 550 meters, resulting in an internal collapse of the rock.
Of 172 miners on shift, 34 people were working at an emergency site.
Eight people have been killed in the blast, according to the incoming reports and another nine were seriously injured. All the miners have already been brought to the surface.
The investigation has been launched.