At least four people were killed in a shooting at a vehicle in Pakistan's Khyber Pakhtunkhwa province, officials said.

The incident took place in North Waziristan district on Thursday.

The victims, employees of the state-owned National Engineering Services Pakistan, were on their way to some work-related assignment when their vehicle was targeted by unknown militants, intelligence sources from the province told Xinhua news agency.

The bodies were shifted to a nearby hospital from where they will be sent back to their hometowns.

No group or individual has claimed the attack yet.

(IANS)