President Trump has threatened to intervene in what he called a “mess” in Portland, Ore., after clashes between Trump supporters and Black Lives Matter demonstrators left one man dead over the weekend.

PORTLAND, OREGON, USA – AUGUST 29: A BLM protester block Pickup trucks and cars full of flag-waving Donald Trump supporters as they snarl traffic and parade through downtown Portland, Oregon on August 29, 2020. (Photo by John Rudoff/Anadolu Agency via Getty Images)