At least five militants have been killed in a missile strike in the Pakistani tribal area of South Waziristan, officials have said.
The missiles struck militant hideouts in Baghar village, they said.
Separately, the Pakistani army said more than 150 militants and 13 soldiers had been killed in week-long fighting in the Bajaur tribal region.
The Afghan government and Nato say that the border region is a haven for al-Qaeda and Taleban militants.
Security has deteriorated sharply in recent weeks along the frontier.
One report said that there were some foreign fighters at the militants' hideout that was struck by missiles.
Fierce clashes
Separately, the militants in the troubled Bajaur tribal region disputed the Pakistani army's claim that more than 150 of their fighters had been killed in a week of heavy fighting in the area.
A spokesman for the local Taleban said about a dozen of their fighters had died.
More than 30 civilians have died in the fighting in Bajaur, reports say.
Fierce clashes between the troops and the Taleban broke out more than a week ago when the government forces tried to set up a post at a strategic location in Loi Sam, on the Afghan border.
The troops had to retreat to Bajaur's administrative and military headquarters, Khar, after the local Taleban intensified their attacks.
During the past couple of days, the militants established several positions between Loi Sam and Khar, and laid siege to Khar itself, provoking heavy attacks from the government forces.
The militants then left positions in the Loi Sam and Khar areas of Bajaur following heavy shelling and air raids by the government forces.
Militant spokesman Maulvi Omar told the BBC Urdu service: "Since we have succeeded in stopping the advance of the government troops, the occupation of those positions is not required."
Meanwhile, pamphlets dropped by government helicopters in various areas around Khar have urged local people to evict militants from their areas.
There is mounting US pressure on the Pakistani government to crack down on militants, who use the border region to launch cross-border raids into Afghanistan.
(BBC)
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