In Pakistan , two rag-pickers were killed and another was seriously injured in a bomb blast in South west Quetta city on Monday. Police said, the bomb went off on Saryab Road , a key thoroughfare in Quetta , the capital of Balochistan province. The explosive device was hidden in a garbage dump near a petrol station. The device exploded when the three rag-pickers were sifting through the garbage inflicting serious injuries to them. Two of them died on the way to hospital. Law enforcement personnel have cordoned off the area and a search has been launched for the persons who planted the bomb. No group has claimed responsibility for the attack.