NEW YORK (CBSNewYork) — Police say a 15-year-old boy was found dead at the bottom of a chimney at a junior high school in Brooklyn.

Police say the teen was found unconscious and unresponsive at Roy H. Mann Intermediate School just before 11 p.m. Tuesday. He was pronounced dead by EMS shortly after.

1010 WINS’ Carol D’Auria reports: Tragedy In Brooklyn

The 15-year-old was among several teens who police say climbed onto the roof of the school. Officials say the boy somehow fell down the chimney.

The roof of the school has been under construction for the past year.

A medical examiner will determine an exact cause of death. The investigation is still ongoing.

“We weren’t even aware that students could get over the fence because it’s a high fence, you know a high fence and there’s netting there. It seems to be very secure,” said a teacher who only identified herself as “Bridget.” She told 1010 WINS she knew the boy and described him as “quiet and well-liked.”

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