Two armed robberies happened hours apart early Thursday on the same block in the South Shore neighborhood.
A suspect either pulled a firearm or implied he had one during both robberies, according to the community alert from Area South detectives.
The robberies happened in the 7600 block of South Exchange, the first about 1 a.m. and the second at 6 a.m., police said.
The suspects are described as black male teens 15-19 , 5-foot-10 to 6-foot-1.
Anyone with information should call Area South detectives at (312) 747-8273.
Officers received a report of shots fired in the 3900 block of West Flournoy Street about 1:10 a.m.
The girl was inside a residence in the 12600 block of South Lowe Avenue when she heard gunshots coming from the street.
The male was attacked in the 2100 block of West Randolph Street, police said.
Injuries were considered severe for five of the 28 injured. Video of the aftermath showed concertgoers struggling to lift the wreckage off other attendees.
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