UPDATE 1030 GMT: An official at the Interior Ministry says at least 29 people have been killed and 111 others injured.
Bizarrely, CNN's website has yet to note the bombings.
Two car bombs, set off almost simultaneously, have killed at least 18 people and wounded about 100 in Baghdad.
At least nine people were killed in Adan Square near an office of the national security ministry in the northwest of the city. At least three others died in the western Mansour district.
A father and son were killed in western Baghdad by a magnetic bomb attached to their car, while three mortar rounds were fired into the fortified Green Zone.