A 21-year-old man was fatally shot after he was involved in an argument on the West Side, officials said.

Terrell Wilson, of the 1100 block of South Throop Street was pronounced dead at John H. Stroger, Jr. Hospital of Cook County at 1:20 p.m., according to the Cook County medical examiner's office.

Wilson was shot on the 4000 block of West Van Buren Street, according to the office.

Chicago police were called to the 4000 block of West Van Buren Street at 12:54 p.m. for a report of shots fired, police said.

When they arrived they found the man dead at the scene, police said.

Preliminary information indicated that the man was involved in an argument with someone and after the argument happened a several people got out of a vehicle and began following Wilson on foot and firing at him, striking him multiple times, police said.

No one was in custody as police investigated.

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