By CBS 2 Chicago Staff

CHICAGO (CBS) — Thieves targeted stores on Oak Street in the Gold Coast late Wednesday, and a security guard was pepper-sprayed in one of the incidents.

At 5:05 p.m., two men walked into the Prada store at 30 E. Oak St. and took items, police said.

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Ten minutes later, one man walked into the Hermès store across the street at 25 E. Oak St. The man approached a security guard, and sprayed what appeared to be pepper spray at the guard, police said. The man then took items from the store, police said.

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The security guard refused medical treatment.

No one was in custody late Wednesday, and police have not confirmed whether the two incidents are connected. Area Three detectives were investigating.

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A description of the suspects was not available.

CBS 2 Chicago Staff