Jan 12 (Reuters) - Following are security developments in Iraq at 1530 GMT on Saturday.

DHULUIYA - Gunmen killed six people in attacks on two houses, including a former Iraqi army officer and two members of a U.S.-backed neighbourhood patrol in a village near Dhuluiya, 70 km (45 miles) north of Baghdad, police said.

BAGHDAD - U.S. forces arrested 15 gunmen during operations on Friday and Saturday in central and northern Iraq, the U.S. military said.

NEAR BAQUBA - A parked car bomb wounded four people including two soldiers when it struck an Iraqi army patrol in a town east of Baquba, 65 km (40 miles) north of Baghdad, police said.

BAGHDAD - Two roadside bombs exploded in succession, wounding two people in Palestine Street in eastern Baghdad, police said.

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