Seven people were killed and six injured Wednesday when a suicide bomber blew up an explosives-packed truck in the western Iraqi province of Anbar, a local police source said, DPA reported.

The bomber blew up the truck near the police station in Saqlawiya district, which lies 10 kilometres north of Anbar's capital, Falluja, the source said.

Five policemen were among the dead and four were among the injured.

A curfew was imposed on the city in order to prevent further blasts, the source added.