Rawalpindi : Security forces have killed four terrorists during an intelligence based operation in Dera Ismail Khan.According to the ISPR, these terrorists remained actively involved in numerous terrorist activities against security forces and killing of innocent civilians. Weapons, ammunition and explosives were also recovered from the terrorists.Locals of the area have appreciated the operation.Sanitization operation is being carried out to eliminate any other terrorist in the area.The ISPR in its statement has reaffirmed the commitment to wipe out the menace of terrorism from the country.