(FOX) -- A police officer mistakenly shot and killed a security guard at a bar in Chicago's south suburbs early Sunday morning, Chicago’s Fox 32 reported.
Witnesses said a security guard told a group of "drunk men" to leave a Robbins bar around 4 a.m. An armed suspect later came back inside the bar and opened fire, WGN-TV reported, citing witnesses.
Armed security guards returned fire, the report said. One the guards -- Jemel Roberson, 26 -- apprehended the suspect outside, witnesses said. Roberson then requested help from Midlothian Police, the Cook County Sheriff's Office said.
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