CHICAGO (CBS) — A 37-year-old man is charged with murder, after police say he stabbed a co-worker to death on Sunday at Foundation Tavern & Grille in the Portage Park neighborhood.

Jesus Martinez, of Elmwood Park, is charged with one count of first-degree murder, and was due to appear in bond court Wednesday afternoon.

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Police said witnesses saw Martinez repeatedly stab 35-year-old Cory Neill with a knife, after hearing the two yelling and screaming in the restaurant’s kitchen Sunday evening at 5007 W. Irving Park Rd. in the Portage Park neighborhood.

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Neill was taken to Advocate Illinois Masonic Medical Center, where he was later pronounced dead.

Martinez was arrested at the scene, and has since been charged with murder.

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Police have not said what prompted the argument that led to the fatal stabbing.