A SWAT team was called to the 1700 block of Market Street after 25 to 30 shots were heard on Sunday around 1:30 p.m.
Upon arrival officers located a man suffering from at least one gunshot wound.
The man was immediately transported to a local hospital, where his last known condition was listed as critical.
Officers on scene were advised that the shooter had fled into a local residence, and the SWAT team helped secure the area.
The Harrisburg Police believe that this incident was isolated and that the victim was targeted by the shooter.
The area was closed for many hours and an investigation remains on-going.
At the time of publishing, no arrests have been made.
Anyone with information is asked to call the Harrisburg Police at 717-558-6900.
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