The bomber detonated his explosive belt in front of the mourners during an vigil in the village of Abu Minasir.

Police said the funeral was for the head teacher of a local school.

Earlier, an Iraqi soldier was killed and seven others wounded when a teenage girl blew herself up at an army post south of Baghdad, the US military said.

The bombings came hours after it was announced that Prime Minister Nouri Maliki was supervising an offensive against Sunni insurgents in the northern city of Mosul.

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