Police said shortly after 5 p.m., two men entered a store in the 0-100 block of East Oak Street and stole a bunch of merchandise. They then fled in an unknown direction.
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Just 10 minutes later, at 5:15 p.m., police said a man went into the Hermes store on the same block, approached the security guard and sprayed him with what appeared to be mace. He then stole a bunch of merchandise and fled.
The security guard refused treatment at the scene, police said.
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No one is in custody for either robbery. Area 3 detectives are investigating both thefts.