In Baghdad, a bomb exploded after Friday prayers at Omar mosque, killing four people and wounding 11 more.
Three policemen were killed and four more were wounded during a small arms attack in Falluja.
A bomb in Muqdadiya killed two people and wounded six more.
In Shirqat, a bomb killed a Sahwa member and wounded three more.
A bomb killed a police officer and wounded three people, including a civilian, in Mosul.
Mortars fell on a Baiji home belonging to the governor of Salah ad Din province, but no casualties were reported.
Read more by Margaret Griffis
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