Firefighter Mark Zielinski

December 4, 2015

Written by 100Clubillinois

Mark Zielinski, 49, was “rendering emergency medical aid” to a shopper who needed CPR at the Walmart at 21410 S. Cicero Ave. in Matteson when he died, according to Matteson Fire Chief Chris Schwalbe and the Cook County medical examiner’s office.

Firefighter Zielinski had served with the Matteson Fire Department for 13 years and the Harvey Fire Department before then. He is survived by his wife and children.

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