BAGHDAD: Bomb attacks on Sunni mosques in Iraq killed 13 people and wounded dozens of other people on Tuesday, security and medical officials said.

Two rounds of mortar fire hit a mosque in Muqdadiyah, northeast of Baghdad, killing nine people and wounding 25, police and a doctor said, revising an earlier casualty toll.

Earlier, two roadside bombs exploded as Sunni worshippers were leaving dawn prayers in south Baghdad, killing at least four people and wounding 14, an interior ministry official and medic said.

Violence in Iraq has fallen significantly from its peak during the height of the sectarian conflict in 2006 and 2007, but attacks are still carried out almost every day, killing 271 people in March, according to AFP figures based on security and medical sources.