One of the deadliest attacks occurred in the holy Shiite city of Karbala when two car bombs detonated almost simultaneously near a police station, killing up to 13 people and wounding 38 others, a local police said.
Another deadly attack occurred in the city of Kirkuk, some 250 km north of Baghdad, when a suicide car bomber and a car bomb struck a police headquarters, killing ten policemen and one civilian, and wounding up to 42 people, a local police source told Xinhua on condition of anonymity.
A third car bomb ripped through an areas located just south of Kirkuk, wounding 10 civilians, the source said.
In Baghdad, a suicide bomber blew up his explosive-laden vehicle in the busy district of Alawi in the center of the capital, killing five civilians and wounding 28 others, an Interior Ministry source told Xinhua.
Also in the capital, a car bomb exploded at about 10:15 a.m. local time (0715 GMT) at a parking lot outside the Iraqi Foreign Ministry, killing three people and wounding up to nine others, an Interior Ministry source said.
Earlier, the source said six people were wounded by the blast.
In addition, gunmen attacked a church in Baghdad western district of Mansour and exchanged gunfire with policemen guarding the building, killing three of them before they fled the scene.
In a separate incident, a suicide bomber detonated his explosive-laden car near a coffee shop in Hilla, some 100 km south of Baghdad, killing at least two people and wounding some 30 others, a local police source told Xinhua.
In Iraq's western Anbar province, Qassim al-Fahdawi, governor of the province, escaped unhurt a car bomb explosion near his convoy in the city of Ramadi, some 100 km west of Baghdad, a provincial police source said.
Four of Fahdawi's bodyguards were wounded by the blast.
In a separate incident, a soldier and a civilian were killed and 17 people were wounded when a roadside bomb struck an Iraqi army patrol in Ramadi, the source said.
Also in the province, gunmen blew up bombs at the house of a policeman in the city of Fallujah, some 50 km west of Baghdad, killing his wife and his son.
In Iraq's eastern province of Diyala, seven people, including three policemen, were wounded in separate bomb attacks across the province, a source from the provincial operations command told Xinhua on condition of anonymity.
Elsewhere, two people were killed and up to 13 wounded in sporadic bomb and gunfire attacks in Salahudin province, north of Baghdad, a provincial police source told Xinhua.
The attacks came on the ninth anniversary of the U.S.-led invasion of Iraq that toppled the former leader Saddam Hussein and just days before Baghdad hosts an Arab League summit on March 29.