CHICAGO (CBS) — One teenager has turned himself in and another was arrested after police say both boys broke into the mounted unit’s stable in South Shore six weeks ago and injured horses.

Chicago Police say a 16-year-old boy showed up at Area 1 police headquarters over the weekend at 51st and Wentworth.

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And then four hours later, police arrested a 14-year-old boy at his home.

Police say each boy is charged with felony burglary and five counts of felony injury to a police animal.

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Officers say that on Sept. 16, the boys used a fire extinguisher and hit at least one horse – and sprayed the extinguisher into another horse’s eyes.

Police say 27 horses were found outside their stalls at the stable, which is on the property of the South Shore Cultural Center.

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