The home of a former governor of Basra was subjected to a bomb attack.
Two US Marine Raiders were killed during an operation in northern Iraq.
Protest violence resumed in Baghdad on Sunday.
A mass grave containing Faili Kurds was discovered but not yet unearthed.
Six people were killed in attacks or airstrikes.
During February, at least 187 people were killed, and 558 were wounded
Tribal head Sheikh Abdel-Sahib Saadoun was killed, along with his wife.
A bomb near Baghdad killed two people.
Security forces scaled up operations against Islamic State militants in northern Iraq.
Security forces conducted an anti-ISIS operation in northern Iraq.