President Donald Trump called the U.S. special envoy to the anti-ISIS coalition Brett McGurk “a grandstander” after he handed over his resignation.

Brett McGurk, who I do not know, was appointed by President Obama in 2015. Was supposed to leave in February but he just resigned prior to leaving. Grandstander? The Fake News is making such a big deal about this nothing event!

— Donald J. Trump (@realDonaldTrump) December 23, 2018

Earlier CBS said McGurk resigned because of his discontent with the decision to withdraw American troops from Syria just a day after Pentagon chief James Mattis resigned.