The terrorists were arrested after an exchange of fire with police in Mattni area of Peshawar district in Khyber Pakthunkhwa close to Khyber tribal belt, police said.
The police carried out a search operation after receiving information from secret agencies about the presence of terrorists in the area, said SSP operation Mian Saeed.
The terrorists opened fire on police when they were asked to surrender and were arrested after the exchange of fire, he said.
The arrested terrorists were involved in killing of SHO Badaber police station in 2014, Main said, adding that police also recovered 5 kilogrammes of explosives and hand grenades from their possession.