Rawalpindi: Security forces have killed four Khawarij terrorists while effectively thwarting their attack on Frontier Corps Headquarters in Mohmand district.The attempt of Khawarij terrorists was thwarted and all four suicide bombers were killed before they could cause the intended damage.According to ISPR, sanitization operation is being conducted to eliminate any other Kharji in the area.The ISPR in its statement reaffirmed Pakistan's unwavering resolve to wipe out the menace of terrorism from the country.Meanwhile, President Asif Ali Zardari has also paid tribute to the security forces for foiling Khawarij attack on the FC headquarters in Mohmand.In a statement, he said the entire nation is proud of its soldiers who are always ready to protect the motherland. He said terrorists will not be allowed to succeed in their sordid designs.In a statement, Prime Minister Shehbaz Sharif has paid tributes to the officers and soldiers of Pakistan Army for thwarting an attempt by Kharji terrorists to attac k the Frontier Corps Headquarters in Mohmand District.He said the war against terrorism will continue until its complete elimination from the country.The Prime Minister said officers and soldiers of Pakistan Army are actively engaged in clearing the soil of Pakistan from the terrorists of Fitna al-Khawarij.Shehbaz Sharif said the entire nation stands shoulder to shoulder with the armed forces in the war against terrorism.