At least 32 people have been killed and 124 others injured in six car bombings across Baghdad, Iraqi defence ministry officials say.

The deadliest attack on Monday occurred in Sadr City, a predominantly Shia neighbourhood in the northeastern part of the Iraqi capital, where a car bomb killed at least 10 people and injured 60 others.

In the central Allawi district, another explosion killed four people and wounded 15 others.

A car bomb targeting the convoy of a senior interior ministry official killed one civilian and a policeman and injured four policemen in the southeastern neighbourhood of New Baghdad.

"The explosion caused major damage to buildings and they even hurt some children," Abdul-Jabar Saad, a shopkeeper who witnessed that attack, said.

"God damn these people."

Two other people were also killed and 12 others wounded when a vehicle exploded near a market in the district of Hussainiya.

Another car bomb exploded near the Doura district, killing four people and injuring 15 more, according to police.

Interior ministry officials have declined to comment on whether the bombings were co-ordinated.

The attacks came after Iraqi forces last week put down an uprising by members of a so-called Awakening Council group in Baghdad angry over the arrest of their commander.

Although violence has fallen dramatically in Iraq since the US-led invasion in 2003, arious armed groups are still able to strike with deadly results.

At least 250 Iraqis were killed in violence in March.