SIBI: A suicide bomber was killed while planting a bomb at Mela Ground here Thursday. According to details a man riding a bicycle died in Sibi Mela Ground today when a man of circus tried to stop him. Cyclist tried to leave it and an explosion occurred in which he died. His lower portion was badly blown however his face and belly remained safe. Police took possession of the body and started investigation. Security was tightened and all entry and exit points were strict guarded.