In Fallujah city, some 50 km from Baghdad, three policemen and four gunmen were killed and 12 policemen injured when unidentified gunmen attacked a police station, a police source said.
Earlier in the day, six people were killed and 13 wounded in separate bombings and shootings in central Iraq, police and interior ministry sources said.
A civilian was killed and seven were wounded when a roadside bomb ripped through Tarmiya area, some 40 km from Baghdad, a local police source said.
Meanwhile, two policemen were killed and two wounded in a mortar barrage on a police station in Mashahdah area, some 30 km north of Baghdad, the source said.
In Baghdad, Ali Ahmed Kamel, a senior official in the governorate, was shot dead when gunmen using silenced weapons opened fire on his car in Baghdad's Shaab district, an interior ministry source said.
A policeman was killed and a civilian wounded in a shootout between some gunmen and a police force in Fallujah city.
In Diyala province, an army force exchanged fire with a gunman and shot him dead in the Maqdadiyah city, some 100 km from Baghdad, a provincial police source said.
Also in the province, three soldiers were wounded in a roadside bomb explosion near their patrol in al-Udhaim area, some 60 km from the provincial capital city of Baquba, the source said.
