Watch Pak Taliban suicide bomber blows up car in Islamabad; TTP terror kills cop

A suicide bomber blew up a taxi in Pakistan's Islamabad killing one cop on the spot and injuring six others. TTP has now taken responsibility for the attack. The CCTV footage shows a suspicious cab being followed by police officers. When the cops chase the cab and try to question a bearded man, he detonates the device inside the car. Watch this video for more details.