Iraq suicide bombings kill four

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Suicide bombers in Iraq have killed at least four people and wounded more than 20 in two separate incidents.

In the first bombing, at least two people died and 12 others were wounded when a police patrol was hit in the centre of Baghdad.

Most of the casualties were reported to be members of the police.

In the second blast, a car bomb in the northern city of Mosul killed two policemen and wounded 10 others, according to officials.

The Mosul attack comes against a background of an upsurge in violence there.

The city is seen as the last significant stronghold of insurgents linked to Al-Qaeda and the Iraqi and US armies have been pressing ahead with efforts to root them out.

A US soldier was killed in Mosul on Tuesday.