Jasim Khadijah, an Islamic State member believed to be responsible for a deadly attack by militants on US troops in northern Iraq, has been killed in a drone strike, a spokesman of the anti-IS coalition said in Baghdad on Sunday.

"He was a rocket expert, he was controlling these attacks," the spokesman, US Army Colonel Steve Warren, told reporters, referring to the shelling last month of a base used by US troops in northern Iraq in which a US Marine was killed and several others were wounded.

It was the second death of a US service member in combat since the United States first struck the militant group in 2014. 

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