Clashes in Iraq have killed 37 people and wounded dozens of others  as the government struggles with the unrest in the country, officials say.
In the deadliest incidents on Wednesday clashes in and around Fallujah in Anbar Province left 15 people dead and 40 others injured .
Attacks elsewhere in the country, killed 22 people according to security and medical officials.
In the town of Ishaqi, in the north of the capital Baghdad, four policemen were killed and four others were wounded  as they were checking on a parked car that had a booby-trapped corpse inside. The body exploded after the officers opened the car door.
Attacks in the provinces of Diyala, Nineveh, and Kirkuk -- all north of the capital -- claimed six lives while violence in and around Baghdad killed a dozen others.
Iraqi security forces supported by Sunni tribesmen have been battling the militants in the western province of Anbar. 
The violence in Anbar broke out on December 30, 2013, when the army removed an anti-government protest camp in Ramadi . Authorities said the camp was used as “headquarters for the leadership of al-Qaeda.” The bloodshed later spread to nearby Fallujah.
The Iraqi government has stepped up efforts to boost security across the country over the past few months.