At least four people were killed in a U.S. drone strike launched Friday afternoon in northwest tribal area of North Waziristan, report said. According to the report, the U.S. drone fired three missiles at a vehicle in the Miranshah area of North Waziristan, a place bordering Afghanistan, which is believed to be a stronghold of militants in Pakistan. Friday's strike is the 17th of its kind launched by the U.S. drones in Pakistan's territory in 2011, causing at least 80 people killed since the beginning of this year.
