KOHAT, Sept 20 District authorities imposed a curfew in Hangu bazaar after four people were killed and several others injured in clashes between two sectarian groups on Sunday.
The trouble started when saboteurs blew up four shops in the main bazaar early in the morning and started firing.
Two people were killed and three others injured.
The incident sparked clashes in the town in which another two people, one of them an Afghan refugee, were killed.
Helicopter gunships flew at low altitude to monitor the situation.
The administration summoned a jirga of elders from both the sides to defuse tension.
The jirga chaired by the district police officer was in progress till late in the evening.
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