CHICAGO (STMW) — One man was beaten to death at a CTA station, a 16-year-old boy was fatally shot and six other people were wounded in separate acts of violence across the city this weekend.

Police said the 37-year-old beating victim died from injuries suffered in a fight with another man on the platform of the 43rd Street CTA Green Line station on the South Side, about 11:30 a.m. Saturday.

Sanchez Mixon, of the 3300 block of South Michigan Avenue was taken to Northwestern Memorial Hospital, where he died at 12:13 p.m., police said. No arrests had been made by Saturday evening.

At 7 p.m. A 16-year-old boy was shot in the back and shoulder in the Gage Park neighborhood on the South Side Saturday night.

Police said the teen was in the 2400 block of West 58th Street when he was shot.

Arrell Monogan, of the 7900 block of South Escanaba Avenue, was taken to Mount Sinai Hospital where he was pronounced dead at 8:23 p.m., according to the Cook County Medical Examiner’s office.

No arrests had been made as police continued to investigate.

At least six other people were injured in separate incidents across the city, authorities said.

A sergeant with the Metra police department was stabbed in the leg several times after he tried to break up a fight between at least two people at Union Station Saturday evening, 500 W. Jackson Blvd., officials said.

The fight broke out just before 7 p.m. near a McDonald’s restaurant, said Metra spokesman Tom Miller.

When the sergeant tried to intervene , one of those involved turned on him, stabbing him three times in the leg, Miller said.

The sergeant, whose injuries are not life-threatening, was taken to Northwestern Memorial Hospital for treatment.

“He seems to be doing OK,” Miller said.

The sergeant’s attacker was arrested at the station, Miller said. Charges against the attacker are pending further investigation by Amtrak police.

Earlier a teen was shot in the Rogers Park neighborhood and walked into an Evanston hospital for medical care, police said.

The 15-year-old boy told officers he was in the 1600 block of West Pratt Boulevard when he was shot about 1:15 p.m., police said.

The teen is in “stable” condition after he walked into Northshore University Health System in Evanston for treatment, police said.

Two men were shot on Saturday in separate incidents on the South and West Sides after being robbed. No one was in custody for either shooting, police said.

At 9:14 p.m. a 27-year-old man was shot during a robbery in the 4700 block of South Rockwell Avenue in the Back of the Yards neighborhood, police said. The man is in good condition at an area hospital, police said.

The other robbery happened in the Austin neighborhood about 2:30 p.m. A 22-year-old man was taken to Mount Sinai Hospital after he was shot in the hand during a robbery in the 5000 block of West Chicago Avenue, police said. The man is listed in good condition.

Earlier Saturday two men were injured in separate shootings on the West Side.

About 12:13 a.m. a man was shot in the 900 block of North Kedvale Avenue in the Humboldt Park neighborhood. The 45-year-old victim was struck in the leg and taken in good condition to an area hospital, police said.

Then about 1:40 a.m. a 25-year-old man was shot as he stood in a crowd gathered outside in the 1300 block of West Randolph Street, police said. He was shot in the hip and taken to John H. Stroger Jr. Hospital of Cook County, where he was listed in good condition, police said.

One report of gun violence Friday was later discovered to be a self-inflicted gunshot wound, police said.

A 17-year-old boy with a gunshot wound to the groin claimed he was shot in the by two men who climbed out of a dark-colored van and opened fire about 7:20 p.m., police said.

At the time the boy alleged he was riding around in a vehicle with several female acquaintances in the 3300 block of North Harlem Avenue when the men opened fire, police said.

But he later recanted his story, admitting that he was holding a gun that accidentally discharged as he rode around with the females, police said.

The boy’s condition was listed as “stable” at Loyola University Medical Center in Maywood, according to police.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2013. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

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