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Upward of 20 juveniles fought in a downtown St. Paul food court on Tuesday morning — picking up chairs as weapons and knocking over signs — as people scrambled to get away, police said Wednesday.

No injuries were reported and police arrested five teenage males.

Police were called to Town Square, 445 Minnesota St., at 10:30 a.m. Tuesday on a report of a fight in the skyway food court, according to a police report. A responding officer witnessed 15 to 20 boys and girls yelling at each other, said Sgt. Mike Ernster, a St. Paul police spokesman.

One of the boys saw the officer but went after another teen, punching him in the head and upper body. The officer told the aggressor to get on the ground and stop fighting, but he did not and the officer sprayed him with chemical irritant, Ernster said. The boy ran away and was arrested after a foot chase.

Minnesota State Patrol troopers in the area also assisted St. Paul officers, and four other juveniles were taken into custody, Ernster said. The boys, who range from 15 to 17 years old, were arrested on suspicion of assault, disorderly conduct and rioting, according to a police report.

The juveniles involved told police that one group of kids saw another group and yelled at them. They chased each other and started fighting, according to Ernster.

The Ramsey County attorney’s office charged four juveniles on Wednesday with third-degree riot, a gross misdemeanor.