A television station said that in the latest attack, four missiles fired from one of the unmanned aircraft targeted a vehicle and nearby compound, killing eight people, the Pakistan Times reported. The airstrike occurred Tuesday in the New Adda area, about 21 miles west of Miranshah, the main community in North Waziristan, a tribal district near the country's border with Afghanistan
CNN, quoting two Pakistani intelligence officials, said in an earlier attack four missiles fired from a drone killed at least 13 suspected militants in the Shawal area of South Waziristan, also near the border with Afghanistan.
A similar attack Monday in North Waziristan killed 10 suspected militants, the U.S. news network said.
Geo News reported a far higher toll in the missile strikes the past two days.
The two regions are suspected havens for militants for launching attacks both in Pakistan and Afghanistan.
Earlier this week, the United States announced the suspension of $800 million in military assistance to Pakistan as relations between the two countries remain tense.