At least 15 people were killed when Taliban militants attacked a checkpost manned by pro-government tribesman and security forces in northwest Pakistan.
Armed with assault rifles and hand grenades, the militants killed four ethnic Pashtun tribesmen and a paramilitary soldier in the attack.
A senior government official in the Khyber region near the Afghan border said members of a tribal militia and security forces retaliated, killing ten militants.
Pakistan's Taliban, who have close ties to al-Qaeda, have stepped up attacks on Pashtun tribes who have raised militias to help security forces.
At least 40 people were killed and 68 wounded when a suicide bomber attacked a funeral of a member of a pro-government tribe in the northwestern Lower Dir district on Thursday.
Militants also claimed responsibility for an attack on a school bus on Tuesday which killed five people, saying the children on the bus were from a pro-government tribe.
The Taliban are also holding more than 20 young men hostage from a pro-government tribe in an area straddling the Afghan border and have demanded the release of scores of prisoners and an end to support of military offensives against them.