‘That’s a war crime’: Ex-Trump envoy Brett McGurk is outraged by assassination of Hevrin Khalaf

President Donald Trump's former top official responsible for defeating the Islamic State was outraged on Saturday by reports that Syrian Future Party co-Chair Hevrin Khalaf had been killed.

Brett McGurk, the former special presidential envoy for the Global Coalition to Counter ISIL blasted the killing as a war crime.

Earlier in the day, McGurk had retweeted a statement that Trump was leaving the Kurds "to be slaughtered" by Turkey.