IS commander 'Omar the Chechen' dead, US confirms

"We believe he subsequently died of his injuries," Navy Captain Jeff Davis, a Pentagon spokesman, told AFP.
On Sunday, the Syrian Observatory for Human Rights monitoring group said Shishani had been "clinically dead" for several days.
Shishani -- the nom de guerre of Tarkhan Batirashvili -- was one of the IS leaders most wanted by Washington, which put a $5 million bounty on his head.
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