Four Iraqis were killed and four others were injured in bombings and shooting across the country on Friday.

"Three policemen were killed and two others wounded by a bomb targeting their patrol in Al-Muqdadiyah this morning," said a police lieutenant colonel in the town, which lies in restive Diyala province.

Dr Ahmed Ibrahim, from the main hospital in the nearby provincial capital Baquba, 60 kilometers north of Baghdad, confirmed the toll.

And just outside the city of Haditha, in Anbar province northwest of the capital, city councilman Nabil Shaaker was killed and two of his brothers were wounded when gunmen fired on their car, according to a police lieutenant colonel and doctor Dr Omar Adil at the city's hospital.