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Hadi Mizban, File, Associated Press
FILE - In this Tuesday, Nov. 25, 2014 file photo, an Iraqi man reacts at the site of a car bomb explosion, in the Shaab neighborhood of Baghdad, Iraq in a crowded marketplace that killed and wounded civilians. More than 1,200 Iraqis were killed in November by acts of terrorism and violence as militants with the Islamic State group continued its rampage across the country, the United Nations said Monday, Dec. 1, 2014.

BAGHDAD — Iraqi officials say militants with the Islamic State group have attacked a checkpoint along the border with Syria, killing at least 15 Iraqi border policemen.

A senior army official says the attack took place in the town of al-Walid on the Iraqi side of the border on Monday. At least five officers were also wounded in the attack. A government official in Iraq's western Anbar province confirmed the report.

The Islamic State group has maintained control of most of the border crossings between Iraq and Syria since its blitz earlier this year. The militant group currently controls about one-third of both Iraq and Syria.