CHICAGO (CBS) — A woman was stuck in an elevator in the Willis Tower for more than an hour early Thursday in the Loop.

Rescue crews responded about 2:45 a.m. to the Willis Tower, 233 S. Franklin, where the woman was stuck in an elevator in a blind shaft between floors 7 and 8, according to the Chicago Fire Department.

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The woman, thought to be in her 60s, was removed from the elevator by 4:20 a.m., fire officials said.

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When the fire department responded, they were told the woman had already been in the elevator for two hours before their arrival, fire officials said. She refused medical treatment.

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