White Security Guard Richard Cowser (54) at Thornton Township High School killed while breaking up a fight among colored students

A security guard at Thornwood High School in South Holland died after falling against a locker while trying to break up a fight at the school, police said.

Paramedics responded to the school at 17101 S. Park Ave. in the south suburb early Thursday afternoon and found Richard Cowser guard unconscious. Cowser, 54, was taken to Ingalls Hospital in Harvey and pronounced dead at 1:33 p.m., police said.

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