Unknown assailants torched three tanker carrying fuel for Nato forces in Afghanistan on Monday in district Kalat and Quetta of Balochistan. According to police, unknown assailants fired at a NATO tanker at Western Bypass in Akhterabad, gutting the vehicle in an inferno. However the driver and cleaner survived miraculously. According to witnesses, the assailants were on motorbikes and fled the scene after the attack. In another incident unknown assailants first disembarked the driver and cleaner and than torched two NATO oil tankers and fled in district Kalat. No loss of life was reported in the two incidents. More than 20 tankers were previously set on fire in the same area.