UPDATE (11:L35 p.m.) -- Police have made an arrest in this shooting.

Christian Johnson, 46, of Knoxville is charged with criminal attempt homicide, aggravated assault, aggravated assault by vehicle, gun charges, receiving stolen property, recklessly endangering another person and reckless driving.

Note: This was not a random act. The victim and the shooter were known to each other.

ORIGINAL POST: Pittsburgh Bureau of Police officers responded to 9-1-1 calls of a vehicle crash Downtown on Seventh Street near Ft. Duquesne Boulevard around 3:45 p.m.

Responding officers from Zone 2 and Port Authority Police found a crash that was also a shooting scene. 

Per the initial investigation, a male in a vehicle had an altercation with a male on a bicycle. The male in the vehicle drove up onto the curb and struck a PAT bus shelter. The driver got out and shot at the cyclist, hitting him in the leg.

The cyclist was transported by medics to a local hospital in stable condition. The driver was taken into custody and is being questioned at Police Headquarters.

The Crime Scene Unit processed the scene. Violent Crime Unit detectives are investigating.

Ft Duquesne Boulevard was closed while Police investigated.