Police say the group was knocking over barriers and also injured an officer.
The NYPD has been under pressure from area residents to enforce closing times at the park, and even put in place a temporary 10 p.m. weekend curfew last month that led to clashes and several arrests.
ALSO READ | 1 killed, 2 injured in shooting at Long Island party
1 killed, 2 injured in shooting at party on Long Island
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