"Mushir Ahmed, a Union leader and candidate in the forthcoming elections was killed" in an assault against the party's office in Dohuk, in northern Iraq, on Tuesday the faction said.

Two other members of the movement were killed in another attack in Zakho, further north on the same day, the Union said.

The group also reported multiple attacks on its offices in four other towns in the Dohuk province. Several people were wounded, the statement said.

Late Tuesday, medics had said at least 20 people were wounded in the attack in Dohuk, including seven members of the Islamic party, five policemen and two children. The party offices were vandalised and some of them burnt.