HIGHLAND PARK (WWJ) – Authorities are still trying to identify a woman whose body was found inside an abandoned parking garage in Highland Park.

Official say urban explorers discovered the woman’s body around 2:45 p.m. Monday inside a two-story parking garage on Glendale Avenue near Hamilton Avenue.

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The woman, who appeared to be in her 20s,  had been beaten and dumped, according to police, and her body was likely there for a couple of days. She was wearing an outfit that suggested she was going to or had been at a party — furry lace-up boots, a gold belt, a pink shirt and pink pants. Other circumstances surrounding her death remain unclear.

Authorities made an arrest in the case Monday night after receiving tips that led them to a man described as a person of interest, who remains in police custody.

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City spokesperson Marli Blackman wouldn’t say if they’ve uncovered the identify of the young woman or have concluded where she was murdered.

“We’re not saying that it happened in Highland Park, we don’t know where this actually happened, we do know that the body was dumped in Highland Park, in the parking structure. But to say that this is Highland Park’s first murder — we don’t know that for sure.”

She says the police are working diligently to solve the case.

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The woman is described as African-American with a medium complexion, 5-feet tall and 111 pounds with long hair. Anyone with information is asked to contact police at 313-852-7338 or Crime Stoppers at 1-800-SPEAK-UP.