CHICAGO — A worker has died while setting up for the NASCAR Chicago Street Race in Grant Park, WGN Investigates has learned.

The Cook County Medical Examiner’s Office identified him as 53-year-old Duane Tabinski, 53. Coroners confirmed his cause of death was due to accidental electrocution, caused by contact with electric wires.

Tabinski was an employee of a staging and lighting company.

A NASCAR spokesperson confirms a contractor suffered “a fatal medical emergency” but declined to confirm the nature of the incident. The man was near the race starting line west of Buckingham Fountain, according to police reports.

A witness told WGN-TV the incident occurred near a small staging area near the starting line. According to the individual, the power went off, and not long after an ambulance arrived to help Tabinski.

“On Friday afternoon a contractor suffered a fatal medical emergency,” a NASCAR spokesperson told WGN Investigates. “We are coordinating with local authorities on this tragic incident. We share our condolences to the family and their loved ones.”

A Chicago Fire Department spokesperson confirms a man was transported from Grant Park and pronounced dead at a local hospital.

Tabinski founded and operated a staging and lighting company.

“The DUANE team is shocked and saddened to inform you of Duane Tabinski’s passing earlier today,” his company said in a tweeted statement.

“He was busy doing what he loved, providing a top-of-the-line audio experience for the enjoyment of others. A very giving and caring soul, Duane will be missed. Updates to come,” the statement read.