A man’s shoes caught fire during a protest against police violence and racial injustice in Portland, Oregon.
The incident happened after Molotov cocktails were thrown in the street which sparked a large fire.
Police declared a riot, and reportedly deployed tear gas to clear crowds from what they described as an ‘unpermitted demonstration”’.
Arrests were made, but the exact numbers have not been released.
Protests in the city have continued since late May, following the police killing of George Floyd in Minneapolis.