Ramirez said a white Nissan Pathfinder arrived at the location between 12pm and 1am.
He said the three men came out with assault weapons and handcuffs and opened fire at the gathering gathering for a concert at the venue.
Ramirez said two people were declared dead on the spot and 20 to 25 victims are in various hospitals nearby.
The Miami-Dade Police Department is asking anyone with information to contact the officers.
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