A suicide bomber claimed ten lives on Wednesday in an attack which occurred in a market north of Baghdad, according to an Iraqi army officer.

General Ragheb al-Omayri said: "A suicide bomber wearing an explosives belt blew himself up in the market of Muqdadiyah, killing at least 10 people and wounding 15 others," AFP reports.

Muqdadiyah is located about 30 miles northeast of Baquba, which is the capital of Diyala province. The province is now seen as the most dangerous region in Iraq after Al-Qaeda insurgents were chased out by the U.S. and Iraqi forces from Baghdad and surrounding regions.

According to a source from the town’s hospital, seven bodies arrived at the hospital so far, Reuters informs.

Diyala province has become the target of an operation against Al-Qaeda. The operation is called Operation Iron Harvest and part of the Phantom Phoenix attack launched on January 8 targets insurgents all over the country.

In the meantime, other violence acts erupted in Iraq. According to a police officer, four policemen died during their patrol in the main northern city of Mosul.

Also one woman was killed and eight others were injured in a suicide bomb attack.

The attacker blew his car in the town of Tal Afar, located west of Mosul, to the Syrian border, according to General Najim al-Juburi and doctor at the local hospital.