The US and Iraq are investigating whether a US-led coalition airstrike in the city of Mosul was behind the deaths of more than 100 people on March 17. If it is, it could be one of the greatest losses of civilian life caused by the coalition since it began strikes on ISIS in 2014.

The US and Iraq are investigating whether a US-led coalition airstrike in the city of Mosul was behind the deaths of more than 100 people on March 17. If it is, it could be one of the greatest losses of civilian life caused by the coalition since it began strikes on ISIS in 2014.

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