ISIS says its spokesman and senior commander has been killed in Syria
![ISIS says its spokesman and senior commander has been killed in Syria](http://www.reviewjournal.com/sites/default/files/field/media/web1_6931164-a0979181533e46bfae0f9c353c5eaebe_6931164.jpg)
The Islamic State group said Tuesday that its spokesman and senior commander has been killed while overseeing military operations in northern Syria, and threatened to avenge his death.