At least 205 were killed in Iraq and another 27 were wounded.
Islamic State militants released photographs showing the beheadings of a policeman and two soldiers at an unknown location.
The bodies of 11 security members were found in Sensil.
A 60-year-old Iraqi man was killed in a shootout that also left seven militants dead in Tikrit. He was exacting revenge on them for executing his son a month earlier.
Two civilians were killed and five more were wounded during a bombing in Karaghol.
A clash in Anbar province left two soldiers and four militants dead.
A clash in Dumez left two Asayesh agents and five militants dead.
A man was gunned down in Basra.
Seven civilians were wounded in shelling in Amiriyat al-Falluja.
Airstrikes in Hasiba and Qaim left 50 militants dead and 15 wounded.
In al-Falahat, 32 militants were killed.
Security forces in Garma killed 27 militants.
Iraq military rockets killed 12 militants and wounded many others in Abu Ghraib.
Security forces in Thar Thar killed 14 militants.
Fifteen militants were killed during an operation to liberate a highway between Thar Thar and Samarra.
Airstrikes in Ramadi left nine militants dead.
In al-Shurtan, eight militants were killed.
