At least four Pakistanis were killed and five others wounded in a US drone missile strike in Pakistan's tribal region near the Afghan border, officials said Thursday. The attack took place in Shanakhora village of North Waziristan. "It was a US drone attack which targeted a militant compound killing four militants and wounding five others," a senior security official in the area told . He said two missiles were fired from a US drone. Another security official confirmed the attack.