CHICAGO (STMW) — A scuffle at a South Loop rock club left a security guard arrested and charged with battery.

It happened about 2 a.m. at 2109 S. State St., Reggie’s Rock Club, according to Central District police Lt. Richard Guerrero.

Police initially responded to a person who had fallen and struck their head but when they got there, Alonzo Dilworth, who works security at the club, “became impatient and upset and slapped an officer’s hand,’’ said the lieutenant .

A 10-1 — an emergency call for police response — was called and Dilworth was placed into custody.

Twenty-five year-old Dilworth, of 85th and Halsted, was charged with three counts of battery and one count of obstructing the police, according to Guerrero. All charges are misdemeanors.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2010. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)