
The battle happened in Nuristan province in the remote east of the country when military outposts were attacked, a Nato statement said.
The Taliban said it carried out the attack. Reports say local officials including a police chief were captured.
Violence has escalated in the east as insurgents relocate from the south.
In a statement, Nato's International Security Assistance Force (Isaf) said that tribal militia launched attacks on foreign and Afghan military outposts from a mosque and a nearby village. read more