Officials told the media that over 30 militants attacked the Frontier Corps check post in Dabori area of Orakzai Agency this afternoon and killed three paramilitary troopers and injured seven more.
Troops backed by gunship helicopters retaliated, killing at least 10 militants, the officials said.
Orakzai Agency is part of the semi-autonomous tribal areas that are considered a safe haven for Taliban and Al Qaeda elements.