Seven Pakistani troops, including an officer, and nine terrorists were killed on Saturday in a fierce gun battle in the country's northwestern region along the Afghan border.

The incident occurred at Gharlamai and Spera Kunar Algad areas of North Waziristan district of Khyber-Pakhtunkhwa province, the Pakistan Army said in a statement.

The terrorists had crossed over from Afghanistan and were hiding in the area, it said 

During the anti-terror operation, nine terrorists and seven Pakistani died, it said.

(With PTI inputs)