Police hurled flash grenades and used tear gas on protesters on Saturday night as anti-Trump demonstrations continued across the country in the fourth night of unrest since his shock election victory.

Dozens of people were arrested in Portland, Oregon, where crowds threw burning road flares.

Hundreds gathered outside City Hall in Los Angeles to face off against riot police after a daytime march with drew 8,000 people.

Other rallies took place in Atlanta, Salt Lake City, Washington DC, and Phoenix, as the anti-Trump backlash continued to grow.

In Indianapolis, crowds chanted ‘kill the police’ as they threw rocks at officers in a separate protest.