The writ was established after a successful security operation that killed 104 militants and injured 64 others. Eight soldiers, including an officer, were also killed, Operational Commander Maj Gen Humayun Aziz told reporters.
The valley has long been plagued by a turf war between extremist groups. The situation deteriorated on March 16 this year when the outlawed Tehreek-e-Taliban Pakistan militants from Swat district, and Mohmand, Bajaur, Khyber, Orakzai and South Waziristan agencies infiltrated the strategic valley and drove away the local population.
The daily said the writ was established for the first time in the history of Pakistan.
The Army had conducted a tour for journalists in the valley.
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According to state-run APP news agency, the journalists visited the headquarters of TTP in Bagh and the room of the outfit's chief Hakimullah Mehsud.
Foreign militants of Uzbek origin have also been killed in the operation that continued for 22 days, starting on May 28 and culminating on June 20, he added. The operation was conducted in 99 villages of Maidan and Bagh areas.
The militants have burnt 90 per cent houses in Maidan and Bagh areas, he said, adding that initially they had reports of the presence of 1,000 to 1,500 terrorists in these areas but during course of fighting their number were not more than 500.
"We are working with UN, FDMA and other donor agencies to resettle these displaced people at earliest. DPs return will commence in next two weeks time and they will be provided with six months ration, non food items and Rs 25,000 cash," he said.