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BOULDER, Colo. — Police in Boulder say they’re investigating a man who they say approached three girls in a suspicious manner at Park East Park.

The Boulder Police Department said he approached the three girls, ages 9, 10 and 12, about 3 p.m. Sunday and made comments to them about their bodies.

“The girls then biked away and told a parent, who returned to the park to confront the suspect. The suspect became aggressive, threatening sexual violence and that he would burn down the neighborhood,” police said.

Police have increased patrols in the area.

Anyone with information is asked to call police at 303-441-3482 or Northern Colorado Crime Stoppers at 1-800-222-8477.