Lahore,March 08(ANI):A suicide car bomb attack on a police intelligence unit in Lahore killed at least 11 people on Monday,during the morning rush hour. Around 60 were wounded with people trapped under rubble of collapsed buildings when a car packed with up to 600 kilograms of explosives struck an investigations unit in Pakistan's second largest city.The attack bore all the hallmarks of an operation by al Qaeda-backed Pakistani Taliban militants seeking to topple the government,officials said.