Three people have been killed in a US drone strike in Mir Ali, area of North Waziristan tribal belt, bordering Afghanistan.The unmanned aircraft fired two missiles into a vehicle on Friday, killing three people and injuring 1. The identities of the dead were not immediately clear, nor whether they included any high-value targets.Resources told that after the attack, local militants cordoned off the area and didnt let anyone come nearby the destructed vehicle.