An 18-year-old man was found shot dead Sunday afternoon in Glassport Sunday, according to Allegheny County Police.

A shooting in the 500 block of Monongahela Avenue was reported to 911 at 2:45 p.m., county police said. First responders found the teen dead.

Witnesses saw a suspect get onto a Pittsburgh Regional Transit bus. Clairton Police detained the suspect, who was not identified.

The suspect was one of two men who had engaged in a fight with the victim, county police said.

Anyone with information about the incident is asked to call the county police tip line at 833-255-8477. Callers can remain anonymous.