A white Nissan Pathfinder stopped at the scene between 12 p.m. and 1 a.m., Ramirez said.
Three people came out with assault weapons and handguns and started shooting at the crowd that had gathered for a concert there, he said.
Two people were pronounced dead at the scene and 20 to 25 victims are in various nearby hospitals, Ramirez said.
The Miami-Dade Police Department is asking anyone with information to contact authorities.
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