Three coal miners were shot dead by unidentified assailants in the Zalawan area in Harnai District of Balochistan on November 21, reports Dawn. Deputy Commissioner Harnai District Sohail Hashmi said that the assailants arrived at the coal mine in the wee hours and opened fire on the colliers, leaving three of them dead on the spot. The deceased coal miners belonged to Kandahar Province of Afghanistan.