UPDATE:
A shooting on Madison's South Side nearly a week ago is now a homicide. Police say the 24 year old male victim has died. He was shot in the head last Wednesday night on Waunona Woods Court. The suspect, 36 year old Antonio Gentry, now faces a 1st degree murder charge.
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Antonio R. Gentry, 36, Madison is the suspect in a shooting Wednesday night that left one person seriously injured, according to the Madison Police Department. He has been arrested on a parole hold.
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UPDATE (WKOW) -- Madison Police say a 24-year-old man is clinging to life after he was shot in the back of the head inside an apartment on Waunona Woods Court.
Chief Mike Koval said witnesses saw the shooter running across the complex with a gun in hand. Police are still looking for the gun used in the shooting.
Officers say the suspect may have tried breaking into nearby cars to try to get away, before ducking inside an apartment building in the 6700 block of Bridge Road. Police found him there as he tried to barricade himself inside a maintenance room.
The suspect, 36, was taken to a hospital for wounds on his hand and will be taken into custody when he's released.
Chief Koval says the victim and suspect knew each other, and this was not a random act of violence. He said this crime was an anomaly for that neighborhood.
"Everybody's out trying to stay cool and you've got a lot of kids in the neighborhood," he said. "When you have reckless behavior with a guy running about with a gun attempting to enter people's cars, it's very concerning."
Witnesses echoed that concern.
"I've never seen so many officers running through the neighborhood," said Sheila Stubbs, a Dane County Board member. "Multiple fire trucks, police cars, part of the street blocked off, barricaded, officers running at the end of the street. I've never seen that before."
Stubbs lives in the neighborhood and said she and others saw officers running with AR-15s as they tried to find the suspect and secure the scene.
One witness said he heard at least one shot. Chief Koval said police were still looking into how many shots were fired.
Police say the suspect will face at least an attempted homicide charge.