The discovery of the bodies has reawakened fears of sectarian violence that wracked the country in the mid 2000s.
A suicide bombing at a security checkpoint killed at least 36 people, and wounded 115 in Hillah Iraq during rush hour. Just outside Baghdad an attack by militants killed six.
Coordinated car bombs, as well as a shooting involving gunmen and police, killed at least 32 in Iraq and wounded dozens Sunday. The car bombs seemed to target Shiite-majority areas and bore the hallmark of al-Qaida.
Sunni-Shiite tensions are high in Iraq, where Prime Minister Maliki's coalition government partners – particularly one Sunni bloc – accuse him of failing to share power.