CHICAGO (WLS) — Authorities have charged an individual with murder following a shooting on the South Side, which might have been a dispute between two colleagues.

According to Chicago police, 26-year-old Bobby Martin was detained after the incident on Tuesday near 94th and Ashland.

Witnesses from a nearby establishment informed ABC7 that Martin and the victim were both employees of a security firm.

ABC7 Chicago is now streaming 24/7. Click here to watch

Officials reported that the victim succumbed to his injuries after being shot in a parking lot in the South Side earlier this week.

The police confirmed that the suspect was arrested shortly after the shooting occurred on Tuesday afternoon.

The incident took place in the Brainerd neighborhood, specifically in the 9400 block of South Ashland Avenue, around 3:30 p.m., as stated by the police.

A known person approached a 32-year-old man, took out a handgun and fired shots, police said. The victim, shot in the stomach, was transported to Christ Hospital in critical condition. He later died, officials said.

On Wednesday, the Cook County Medical Examiner identified the victim as 32-year-old Antoine Alexander. He died of a gunshot wound to the abdomen, and his death was being investigate as a homicide.

Investigators were staged near a Page Security parking lot on Tuesday.

Employees from a nearby business say the shooting happened after an altercation between two Page Security employees.

One of the employees told ABC7 they ran for cover after they witnessed the shooting. They said the shooter ran away.

Police recovered a gun from the scene. CPD later confirmed that one person was taken into custody.

Area detectives are investigating.

INTERACTIVE SAFETY TRACKER Track crime and safety in your neighborhood