Officers responded to a burglary at Windsor Tavern and Grill, located at 4530 N. Milwaukee Ave. in Jefferson Park, about 2:10 a.m.
The city of Chicago has seen an upward trend in burglaries in recent weeks.
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Witnesses stated to officers that three unknown male suspects were observed breaking into the business.
Police said items were stolen, and the bar's cash register drawer was found in a nearby alley.
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Once inside the business, the suspects took property and fled shortly after.
No one is in custody; Area Five detectives are investigating.
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