At least 272 were killed or reported dead. Another 136 were reported wounded or sickened.
Militants released a video in which 21 captives, all of them security personnel, were paraded in cages. It is unclear if the men were executed.
Officials in Basra revealed that 31 employees died of radiation exposure and another 68 are sickened with cancer at a munitions recovery plant. Such exposure has long been a known danger.
In Baghdad, two people were killed and six were wounded by a bomb that exploded in the Zaafaraniya neighborhood. A late evening bombing in Bayaa killed seven people and wounded 14 more. Four bodies were found in different locations across the capital.
A suicide bomber attacked a checkpoint in Tikrit, where he killed eight militiamen and wounded 15 others.
Two people were killed and ten more were wounded in a blast at a market in Yusufiya.
Militants executed a civilian who was caught recording the landing of a helicopter near Muqdadiya.
Twelve soldiers were wounded in a mortar attack in Mkeshiefa. Eight militiamen were wounded in clashes.
In Samarra, mortars wounded three women.
In Hawija, militants punished several people for smoking, either by flogging or cutting their fingers off. This lead to an internal dispute among the militants. Twelve militants were killed.
Militants kidnapped 23 people from Shirqat.
Sixty militants were killed in the Makhmour and Sultan Abdullah area.
Airstrikes in Qayara left 35 militants dead.
Security forces killed 30 militants in al-Baghdadi. The siege on a residential complex continues.
In Garma, 25 militants were killed.
Fifteen militants were killed in Baiji.
Security forces killed 10 militants, including two suicide bombers in Sorshenas.
In Mosul, unidentified gunmen killed three militants, including a leader. Airstrikes left 22 militants dead. The Virgin Mary Church was blown up.
Three militant leaders were executed for cowardice in al-Nay.
Security forces killed a suicide motorcycle bomber near Adhaim.