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CHICAGO — A construction worker is critically injured after getting trapped under a forklift at the Museum of Science and Industry.

The incident happened around 10:30 p.m. Monday at the museum located at 5700 S Lake Shore Drive.

A forklift fell onto the 51-year-old man as some heavy equipment was being moved, pinning him in a six-foot hole in the museum’s basement.

Chicago firefighters worked with a variety of special equipment, including the “Jaws of Life,” to extricate the man. Firefighters told WGN they were on the phone with U of C doctors, who were guiding them through the process — which took about 45 minutes.

He suffered injuries to his arms and legs and was taken to the University of Chicago Medical Center in critical condition.

The Occupational Safety and Health Administration (OSHA) has opened an investigation into this incident.

Amy Patti, the museum’s director of communications, released the following statement:

“The Museum of Science and Industry has undertaken a yearlong renovation project to modernize our historic building. In the course of that work, a construction worker was injured late last night and transported to the University of Chicago Medical Center.  We take the safety and well-being of everyone onsite at MSI very seriously and are working with the contractor to thoroughly review the situation. Our thoughts are with him and his loved ones.”