Unidentified armed assailants opened fire on a passenger vehicle in Lower Kurram on Sunday, killing three people in the process. - File Photo

PESHAWAR: Three people were killed on Sunday when unidentified armed assailants opened fire on a passenger bus in the Haider Khan area of lower Kurram Agency, DawnNews reported.

According to sources, the three men were traveling from Parachinar to Alizai when the armed attackers opened fire on their vehicle. Moreover, it was reported that all three of them were members of the Tori tribe belonging to the blockaded Parachinar region.