Earlier on Tuesday, a suicide bomber detonated a belt rigged with explosives in an outdoor fish market in the primarily Sunni area of Sadiyah in southwestern Baghdad, killing three people and wounding 19, police said.
Hours later, four mortars hit homes in another Sunni district, killing seven people and wounding 25.
The mixed city of Baqubah, 40km northeast of Baghdad, saw a string of deadly attacks. Gunmen opened fire on a Shiite family trying to flee the city, killing five of them. Later, the bodies of a woman and two men lay on the street near the family truck, billowing smoke.
In addition, eight people were killed in another shooting in Baqubah, and two others died in a roadside bombing.
Attacks elsewhere in Baghdad and around the country killed 17 other people.
Ten more bodies also were found, the apparent victims of sectarian slayings. They included seven bodies in an area north of Baqubah, identified as a father, three sons and three other relatives from a Shiite family.
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