ISLAMABAD, President Asif Ali Zardari paid tribute to the security forces for their successful operation against Fitnat-ul-Khawarij in Lakki Marwat, Khyber Pakhtunkhwa. The president praised the security forces for killing five terrorists and injuring two others during the operation, according to a President House press release. He expressed national resolve to continue operation against terrorists until complete eradication of terrorism.