An incident occurred at "Maritsa-East Mine", reported FOCUS.
A 42-year-old worker died while working.
The worker was on shift on Friday afternoon on one of the large excavators used to excavate the earth mass.
The employee is known to be from Nova Zagora and was a miner in one of the mines - "Troyanovo-North".
There is currently no official information about the causes of the tragic incident.
The Labor Inspectorate refused to provide details, bTV reported.