CHICAGO (CBS) — A worker at a water pumping station in north suburban Lake Bluff was stuck in an underground elevator for about 90 minutes early Friday morning.

Lake Bluff police and firefighters responded to a call of a person trapped in an elevator at the Central Lake County Joint Action Water Agency pumping station at 700 E. Blodgett Ave. around 1:30 a.m.

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A worker at the station had become trapped in a malfunctioning elevator about 80 feet below ground level, requiring a special rescue effort.

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Firefighters from several neighboring departments were brought in for assistance as crews went down into the elevator shaft.

The worker was rescued around 3 a.m.

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No injuries were reported.