Four miners were killed and at least five are missing after a methane gas blast at a coal mine in the Donetsk Oblast (eastern Ukraine). Another three miners were injured and climbed out on their own, a spokesperson for the industrial safety watchdog said on Friday.

The explosion at the Krasnolimanskaya mine in the Donetsk Oblast, where 12 miners were working the night shift, occurred at 4.10 a.m. on Friday.

11 mine-rescue service subdivisions and 7 resuscitation groups of doctors have arrived at the mine.