Pittsburgh Police from Zone 2 responded to a 911 call for a person shot on the 2100 block of Bedford Avenue around 3 a.m.
When responding officers arrived on scene they discovered a male deceased inside a residence.
A second male was taken to police headquarters for questioning.
Detectives from Major Crimes and the Mobile Crimes Unit processed the scene.
The investigation continues.
UPDATE: Police have arrested Londell Jackson, 25, of Pittsburgh in connection with this incident. Jackson will be charged with Criminal Homicide and Persons not to Possess a Firearm.
This arrest clears a bench warrant out of West Homestead against Jackson on charges of Theft by Unlawful Taking and Receiving Stolen Property.
He is currently being held at Allegheny County Jail.