Stepping up a campaign against the group, 10 to 12 drones carried out a wave of pre-dawn attacks on Dargah Mandi and Danday Darpa Khel near Miranshah, the main town in North Waziristan Agency, officials and witnesses were quoted as saying by TV news channels.
Sixteen militants were killed in two United States drone strikes within last 24 hours in Pakistan's restive tribal region, ending a five-month hiatus.
At least four suspected terrorists were killed when a United States drone fired missiles on a compound in Pakistan's restive North Waziristan region.
Days after Prime Minister Nawaz Sharif spoke against the use of US drones in Pakistan at the UN General Assembly, a CIA-operated spy plane targeted a house in the lawless North Waziristan region and killed four suspected militants.