Police officials say a series of car bombs in Baghdad have killed at least five people and wounded nearly 20.

The first blast took place near a police patrol in the suburb of Radwaniya, southwest of Baghdad, killing two policemen and wounding five.

Police also report a roadside bombing on a commercial street in the Hay Jami'a neighborhood, which killed three people and wounded nine.

Near the Baghdad International Airport, police say a car bomb tore through a parking lot at one of the checkpoints leading to the airport, wounding five people and causing extensive damage to cars.

Hospital officials confirmed the casualties. All spoke on the condition of anonymity because they are not authorized to brief the media.