George Zimmerman -- acquitted by a Florida jury in the death of Trayvon Martin -- was involved in a shooting in Lake Mary, Florida, on Monday, police spokeswoman Bianca Gillett said.Zimmerman apparently suffered a minor gunshot wound, CNN affiliate WESH-TV reported, citing the police chief.The affiliate spoke with one witness, Ricardo Berrare, who also said Zimmerman's injuries didn't look serious."He walked normally into the ambulance, so he wasn't being helped or nothing," Berrare told WESH.The shooting is under investigation, but it appeared to be some type of road rage incident, Gillett told CNN.Police said there were no fatalities in the shooting and said the department would not release additional information until a briefing planned for Monday afternoon.