Seven people were killed Friday in different Iraqi provinces. Four civilians were killed and 15 injured in five consecutive blasts in west Baghdad, a police source reported. The explosive charges went off near houses in the west Baghdad districts of Ghazaliya and Shu\'la, the police source. A policeman was killed and three injured in an armed attack in Baquba city, when a group of gunmen - carrying weapons fitted with silencers - attacked a police checkpoint, according to a report of the German Press Agency \"DPA\". In the northern city of Mosul, a soldier was killed when armed men opened fire at an army checkpoint in the Qahira district. A woman was also killed in sporadic shooting in southern Mosul