Police clash with protesters at the intersection of Franklin and Middle Streets.

Police and protesters at the intersection of Franklin and Middle Streets.

Police advance on the protesters on Middle Street.

Police clash with protesters at the intersection of Franklin and Middle Streets.

Police clash with protesters at the intersection of Franklin and Middle Streets.

People try to help a protester who was sprayed by police during a confrontation on Middle Street.

Protesters stand in front of a police cruiser at the intersections of Pearl and Middle streets.

More than 1,000 demonstrators swarmed Portland's streets Monday night to protest institutional racism and violence by police against people of color. Protesters surround a police cruiser on Congress Street.

Police and protesters at the intersection of Pearl and Middle streets.

Protesters surround a police cruiser at the intersections of Pearl and Middle streets.

Police and protesters at the intersection of Franklin and Middle streets.

Police clash with protesters at the intersection of Franklin and Middle Streets.

Police and protesters at the intersection of Franklin and Middle streets.

Police and protesters at the intersection of Franklin and Middle streets.

A protester tries to block the path of a police cruiser on High Street.

Protesters march on Congress Street.

Protesters march on Congress Street.

Congress St. protesters at dusk.

Protesters march on Congress Street.

More than 1,000 demonstrators rallied in Portland's streets Monday night to protest institutional racism and violence by police against people of color.

Protesters demonstrate at the Portland police station on Middle Street on Monday night.

Demonstrators stage a die-in outside the police station on Middle Street during Monday night’s protest. Derek Davis/Staff Photographer

Demonstrators stage a die-in outside the police station on Middle Street during Monday night's protest.

Protesters raise their fists as they gather at the Portland police station on Middle Street.

Protesters gather at police headquarters in Portland on Monday night to protest institutional racism and violence by police against people of color.

Protesters put one hand on their heart and one anotherÕs back at police headquarters in Portland on Monday night.

More than 1,000 demonstrators swarmed Portland's streets Monday night to protest institutional racism and violence by police against people of color. Protestors gather at the intersection of Commercial and India streets before marching to police headquarters.