At least three people were killed and two others injured when unidentified gunmen opened fire on their vehicle in Khyber Pakhtunkhwa's Karak district on Monday, police said.

The victims were on their way home after attending a hearing in a local court when unknown assailants attacked them in Karapa area, police said. The gun attack left three members of the family dead, including a woman.

Police said a family dispute could be behind the incident.

The bodies and the injured were shifted to District Headquarters Hospital in Karak.

The Banda Daud Shah police station registered a case against unidentified attackers and started an investigation into the incident.