Residents gather at the site of a car bomb attack in Baghdad's Sadr City, May 16, 2013.
Multiple car bombs have exploded in Baghdad, killing at least 12 people in mainly Shi'ite districts of the Iraqi capital. At least 13 more people died in other violence, according to officials.
The blasts Thursday hit the Sadr City and Kamaliya areas, leaving at least 18 other people wounded.
The attacks follow a wave of bombings Wednesday that also struck mainly Shi'ite neighborhoods. Those blasts killed at least 33 people.
Iraqi Prime Minister Nouri al-Maliki blamed the violence on what he called "sectarian hatred" and what results from a "sectarian mindset."
Continuing violence in Iraq has raised fears of a return to the sectarian fighting that left tens of thousands dead in 2006 and 2007.
Violence has fallen from that peak, but the United Nations said last month was the deadliest in Iraq since June 2008, with 712 people killed and 1,633 wounded in April.
Dozens Killed in Bombing Outside Baghdad
1/6People gather at the scene of a bomb attack in Baquba, northeast of Baghdad, Iraq, May 17, 2013.
Bombings have targeted Sunni worshippers outside a mosque near Baghdad. They are the latest in a wave of bombings in Iraq this week that have killed dozens.
2/6People gather at the site of a bomb attack in Baquba, Iraq, May 17, 2013.
Bombings have targeted Sunni worshippers outside a mosque near Baghdad. They are the latest in a wave of bombings in Iraq this week that have killed dozens.
3/6A man lies in a hospital bed after being wounded in a car bomb blast in the Sadr City neighborhood in Baghdad, May 16, 2013.
Bombings have targeted Sunni worshippers outside a mosque near Baghdad. They are the latest in a wave of bombings in Iraq this week that have killed dozens.
4/6People gather at the scene of a car bomb attack in the Sadr City neighborhood in Baghdad, May 16, 2013.
Bombings have targeted Sunni worshippers outside a mosque near Baghdad. They are the latest in a wave of bombings in Iraq this week that have killed dozens.
5/6People gather at the scene of a car bomb attack in the Sadr City neighborhood in Baghdad, May 16, 2013.
Bombings have targeted Sunni worshippers outside a mosque near Baghdad. They are the latest in a wave of bombings in Iraq this week that have killed dozens.
6/6Ali Arar holds his one-year-old wounded son, Aqeel Ali, at the scene of a car bomb attack in the Sadr City neighborhood in Baghdad, May 16, 2013.
Bombings have targeted Sunni worshippers outside a mosque near Baghdad. They are the latest in a wave of bombings in Iraq this week that have killed dozens.
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