On Friday night, flames could be seen piercing through trees in the 526-acre New York City park in the middle of the borough.

About 100 firefighters were called to put out a two-acre brush fire in a heavily wooded section of Prospect Park in Brooklyn on Friday night, prompting officials to warn residents to stay away as they used drones to identify hot spots.

Firefighters extinguished a second brush fire in Prospect Park on Saturday, roughly a mile away from the site of Friday night’s larger blaze City Fire Department officials said. Forty smoke eaters responded to a fire near the LeFrak Center at Lakeside ice skating rink at about 2:40 p.