President Asif Ali Zardari and Prime Minister Shehbaz Sharif have appreciated security forces' successful operation against Khawarij terrorists in North Waziristan.In a statement, President Asif Ali Zardari paid tribute to the brave soldiers including Lieutenant Colonel Muhammad Ali Shoukat for sacrificing their lives while fighting terrorists.Prime Minister Shehbaz Sharif, in his statement, paid tribute to Lieutenant Colonel Muhammad Ali Shoukat and five other soldiers on embracing martyrdom while valiantly fighting the terrorists.The Prime Minister prayed for the elevation of the martyrs' ranks in Jannah and expressed condolences with their families.He said Pakistan Army has rendered unparalleled sacrifices in the war against terrorism.The Prime Minister said entire nation pays tribute to the martyrs.Source: Radio Pakistan