Ukrainian officials say four coal miners are dead and seven missing after an explosion at a mine in the Donetsk region, AP reported. Maryna Nikitina, a spokeswoman for the industrial safety watchdog agency, said Friday that the explosion of methane gas and coal took place overnight about 845 meters (2,800 feet) underground. About 400 miners were underground at the time and 14 were in the immediate area of the blast. Three miners walked out and are hospitalized.
