At least seven people were killed and 41 wounded Monday morning in a series of bomb attacks, including three car bombings, across Iraq's capital Baghdad, a police source said.
In one attack, a car bomb went off at a busy parking lot in downtown Baghdad, killing four people and wounding 20 others, Xinhua quoted the source as saying.
Another car bomb went off in an adjacent neighbourhood of Sadriyah, killing one civilian and wounding five others, the source added.
Meanwhile, a third car bomb detonated in Baiyaa district in the southern part of the capital, killing one civilian and wounding 15, he said.
Separately, a civilian was wounded when gunmen opened fire at him in New Baghdad district in the south, he added.
South of Baghdad, a sticky bomb attached to a car detonated in the town of Mahmoudiyah, killing the driver, the source said.
Earlier in the day, a police source from Iraq's northern central province of Salahudin told Xinhua that at least three policemen and a gunman were killed in a coordinated attack of car bomb and gunfire on a police headquarters in the city of Baiji, some 200 km north of Baghdad.
Iraq is witnessing its worst eruption of violence in recent years. According to the UN Assistance Mission for Iraq, 8,109 Iraqis were killed in the country from January to November this year.