Residents of Baghdad could be seen inspecting the damage inflicted by two car bombs in two Shiite neighbourhoods. The blasts killed 23 people and wounded 48 others.
Sectarian violence has intensified as Sunni militant group ISIL edges towards the Iraqi capital.
Elsewhere, police reported that Shiite militias killed 15 Sunni muslims before hanging them in the town of Baquba to the northeast of Baghdad.
The groups have risen after Iraq’s US-trained troops failed to stop the advance of the Sunni Islamist group in the country.
Security officials say the Shiite militias have begun drawing up lists of suspected Sunni insurgents with the aim of kidnapping, executing and sometimes decapitating them.
Fleeing from the violence, around 300,000 Iraqis have taken refuge in the Kurdish region in the last few weeks.
Many of them are staying in makeshift shelters in Erbil and are relying on international aid to survive.
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