Unknown gunmen Thursday shot and killed Awami National Party leader Maulana Khan Zeb and a policeman in northwestern Pakistan, police said.

Bajaur District Police Officer (DPO) Waqas Rafiq told the media that the shooters on motorcycles opened fire on the politician who was in his car campaigning for the July 13 peace parade in Shindai Mor in Khyber Pakhtunkhwa's Bajaur district.

Khan Zeb was critically wounded in the attack and succumbed to his injuries during treatment at a hospital, police confirmed.