Pakistani police say a roadside bomb exploded, killing three people in insurgency-hit southwestern Baluchistan province. The bomb was planted Sunday on a dirt road in Balgatar area of Kech district and was detonated remotely, authorities said. Three men, two of whom were brothers, were killed while on their way to a family gathering, and a privately owned car was destroyed. No group immediately claimed responsibility for the blast but suspicion falls on Baluch nationalists turned separatist groups who have been involved in low-level insurgency for over two decades in the gas and mineral-rich province. Islamic militants and a banned Sunni extremist group also operate in the province.