An Afghan official said a suicide car bombing has killed three policemen in the eastern Nangarhar province.
Ahmad Zia Abdulzai, the spokesman for the provincial governor, said the bomber detonated his explosives-laden vehicle among a group of Afghan security forces in Ghani Khil district on Tuesday.
In the western Herat province, a military spokesman said the Taliban killed for Afghan soldiers on Monday night in the Chishti Sharif district.
The spokesman, Najibullha Najibi, said the Taliban attacked an Army post overnight.
Mr. Najibi said 10 Taliban fighters were also killed in the clashes.
