Foreigners, including aid workers, visiting Pakistan's tribal areas bordering Afghanistan now have to take permission 12 days in advance.
The guidelines were issued Sunday by the interior ministry for foreigners wanting to go to Peshawar and other areas, the Daily Times reported Monday.
The 12-day period is needed to issue security clearance. The foreigerns also cannot carry weapons.
Pakistani tribal areas are known to harbour both members of the Pakistani Taliban as well as Al Qaeda members fighting US troops in Afghanistan.
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