New York — A community festival was coming to a close when gunfire erupted in a Brooklyn neighborhood, leaving one man dead, another person in critical condition and 10 others wounded, authorities said Sunday as they searched for two shooters they believe were involved.

NYPD Commissioner James O'Neill said the shooting late Saturday in the borough's Brownsville section "was a tragic end to a wonderful weekend" where thousands of people had come to take part in the annual Old Timers Event, which he said had been held since 1963.

The crowd at the celebration, which features musical performances from former residents and current local talent, was dispersing when gunshots rang out from a playground area in the park where it was taking place, officials said.

"We all thought it was firecrackers because, you know, you felt so safe with police presence here. Who's going to think this is gunfire at an event like this? And then when you start seeing the crowd running and screaming, then that's when everything clicked on that, you know, that this is gunfire, so the first thing you're looking for is cover," Michael Thomas, a community activist, told CBS New York.

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