BANNU - At least three persons were killed in a clash between two rival groups in Bannu district on Sunday morning.

According to police, two groups opened indiscriminate firing on each other at Township area and resultantly three people were killed on the spot. The dead bodies were shifted to a nearby hospital for medico-legal formalities.

Soon after the incident, police rushed to the site and cordoned off the area. However, no arrest was made. Police said that old enmity was the motive behind the killings.