Portland's mayor has called federal officers sent in by Donald Trump an "occupying force".
Troops fired rubber bullets and tear gas to disperse Black Lives Matter protesters at a courthouse on the 55th day of protests since the killing of George Floyd.
The US President described the protesters as "anarchists", pledging to send "a surge" of federal security forces to cities.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews
Like us on Facebook: https://www.facebook.com/skynews
Follow us on Instagram: https://www.instagram.com/skynews
For more content go to http://news.sky.com and download our apps:
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog