MIRANSHAH (AFP) - A US drone strike targeting a vehicle in North Waziristan on Monday killed at least four suspected militants, security officials said. The unmanned aircraft fired two missiles, hitting a vehicle in the Nurak area of North Waziristan, officials told AFP. The unmanned aircraft fired two missiles at the vehicle and killed at least three militants in the strike, one security official told AFP on the condition of anonymity as he is not authorised to speak to media.