Pakistan's paramilitary force's chief in Peshawar was killed today and several others injured when a suicide bomber struck his vehicle near the headquarters of the organisation.Police said the attacker targeted the car of Frontier Constabulary Commandant Sifwat Ghayur at the FC Chowk. Ghayur was killed on the spot. At least three other cars were destroyed by the blast which shattered the window panes of the nearby buildings.