US Defence Secretary Ashton Carter arrived in Baghdad Saturday to review the six-day-old offensive to retake Mosul, the Islamic State group's last major stronghold in Iraq.
He will meet commanders from the 60-nation coalition which is led by the United States and assists Iraqi forces in their drive against the Islamist militants.
Carter is also due to meet Iraqi Prime Minister Haider al-Abadi and is expected to discuss Baghdad's objections to Turkish involvement in the Mosul operations.
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