Chromtau/Kazakhstan - On March 19, 2021, at about 06:30 a.m. Western Kazakhstan time, a breakthrough was made at the Donskoy GOK mine between the two drivages in the south-east roadway and the east haulage roadway. The preliminary, mark-separated measurement showed no deviations in direction and height. The miners are now in the process of properly securing the breakthrough area and carrying out the remaining work as well as rebuilding the ventilation system.