Two workers of the Kazakhmys company died at a mine in the Zhambyl region of Kazakhstan, Report informs referring to TASS.
The emergency occurred on November 27 at the Zhaisan mine during mining operations.
A special commission is investigating the circumstances and causes of the accident.
Kazakhmys enterprises - mines, processing plants, copper smelters - are located at three production sites, employing about 37,000 people.