The town is 120 kilometres southwest of Peshawar.
"At least four militants riding a car stopped at a police check post and three of them opened fire killing three policemen and a passer-by," district police chief Anwar Saeed Kundi told AFP.
Nobody has claimed responsibility for the attack so far.
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Where is KPK government??
TTP is on the run,and trying desperate things to survive-a survival that has no chance in modern Pakistan.