From PIX 11:
The NYPD arrested 34 people along the J’Ouvert parade route in an effort to prevent another deadly celebration this year.
Police also recovered 10 guns and three pounds of marijuana, cocaine and heroin along where the parade will pass by in Brooklyn, a police source said. The event starts Sunday night into Monday around 2 a.m.
Police confirmed in a press conference that the arrests were part of an operation to keep the upcoming J’Ouvert celebration safe.