ISLAMABAD, July 1 (Xinhua) -- At least one person was killed while four others sustained injuries when four rockets were fired from an unidentified location Wednesday in the northwestern Pakistan's Nowshera district.

    According to police sources, four fired rockets hit separate areas killing one sweeper besides injuring four others. The injured persons were shifted to hospital where they were provided treatment facilities.

    Meanwhile, a tribal chief in Khyber agency bordering Afghanistan was killed along with his driver and bodyguard in an ambush Wednesday morning.

    Tribal elder Haji Gul Shah of Kokikhel tribe Haji Gul Shah and two others were killed at Tehsil Jamrud when unknown assailants ambushed his vehicle on the way from his hometown to Peshawar, the capital city of the North West Frontier Province.

    The attackers managed to flee from the scene of crime. The news of the incident spread like the fire of jungle and a large number of people rushed to the spot.

    The relatives and local people of the area blocked Pakistan-Afghan highway to register their protest. It is pertinent to mention here that Haji Gul Shah had survived three life attempts before he was killed in the fourth attempt on Wednesday.