ISLAMABAD, June 6 (Xinhua) -- At least five people, including three policemen, were killed and seven others were injured in a bomb attack in northwestern Pakistan on Friday night, local media reported.

    The attack occurred in Dera Ismail Khan, a city of North West Frontier Province (NWFP), when a remote control bomb exploded near a police mobile van, News Network International (NNI) news agency reported.

    Further details are not available.