Riviera Beach Police told news media that one man was shot and wounded before he was driven to a nearby hospital in a private car.
Thirty minutes later, police say a suspect linked to the first shooting pulled up to a home in the same neighborhood, got out of his car and shot a man sitting in another car, killing him. Two people who were inside the garage were also shot and injured.
Authorities say the attacks appear to be related to a dispute between groups.
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