Scenes of Fury as Portland Protests Turn Violent

A masked protester sets fire to a newspaper stand as people march through the streets to voice their anger after Republican Presidential candidate Donald Trump won the election in Portland, Oregon on Nov. 10, 2016.

The protest boiled over into what police described as a "riot" overnight Thursday after some demonstrators armed with bats smashed stores and cars, and others lit fires.

Protesters march through the streets.

The police make an arrest after protesters marched through the streets.

Police arrested 26 people and responded with pepper spray and rubber bullets, labeling the 1,500-strong demonstration an "unlawful assembly" and a "riot".

A masked protester walks past a seal of Oregon spray-painted with an anarchy symbol.

A protester kicks the window of a Bank of America.

Those who were vandalizing property were dubbed "anarchists" by police, who urged peaceful protesters to leave the area.

Protesters embrace and march through the streets.

A man holds a baseball bat as he protests against Trump.

A bus window smashed during the Anti-Trump protests.

Protesters march through the streets.

The police detain a demonstrator during the protests.

Police try to control protesters as they march through the streets. 

Protesters march through the streets.

Protesters clash with police.

Anti-Trump protesters climb on a bridge.

Police block an entrance to the freeway as protesters march through the streets.

A man holding a baseball bat leads protesters over the Broadway bridge as hundreds march through the streets.

The demonstration marked the second night of protests across the country since Trump's election victory early Wednesday.