A least 13 people were killed and 12 more were wounded as Muslims began to observe the Eid al-Adha holiday.
In Yathrib, three policemen were killed and six others were wounded, including two civilians, when a roadside bomb blew up. A roadside bomb killed a councilman and seriously wounded his son.
A government employee was killed in a drive-by shooting in Falluja.
A bomb in Jazira wounded two policemen.
Near Kirkuk, clashes between two militant groups left at least three dead and others injured.
Three gunmen were killed while building a car bomb in Aziziya.
In Sateeh, one gunman was killed and another was wounded during the construction of another bomb.
A colonel was wounded in Aneh, when a sticky bomb planted on his car exploded.