'I was at the pet store and now I'm here': Man detained by officers at scene of shooting in City Heights

SAN DIEGO (FOX 5/KUSI) -- A homeless man was shot and killed late Tuesday night in City Heights, and police are investigating whether a man detained near the scene is connected to the crime.

The shooting happened around 11:55 p.m. in the 4200 block of University Avenue, San Diego police said. Officers arrived shortly after gunfire was reported, but the victim was pronounced dead at the scene.

A witness, Patrice Harris, said she saw a man arguing with the victim, whom she identified only as her friend Mark.

“He started complaining about the noise. He said, ‘I’m so tired of you and all this noise,’” Harris said. She said moments later, the man opened fire.

“When I heard the shot, Mark said ‘ugh,’” Harris said. “I go, 'Dang, Mark got hit.' I ducked into the apartments to try to hide behin