New York

NYPD: Explosives ingredients found in Central Park device

Associated Press
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FILE - In this July 3, 2016 file photo, emergency officials work near the scene of an explosion in New York's Central Park after a man stepped on a plastic bag containing a homemade explosive and lost his lower left leg and foot. Police said Thursday, July 14 the substances found in their investigation of the explosive device are legally available for sale in hardware stores and can be used with other products to develop homemade explosive devices. Investigators say they believe the explosive was made by someone experimenting with commercially available products. (AP Photo/Seth Wenig, File) (The Associated Press)

FILE - In this July 3, 2016 file photo, Connor Golden, a University of Miami student from Fairfax, Virginia, center bottom, bleeds from his injured leg as he is helped by emergency responders after police said he stepped on a plastic bag containing a homemade explosive and lost his lower left leg and foot. Police said Thursday, July 14 the substances found in their investigation of the explosive device are legally available for sale in hardware stores and can be used with other products to develop homemade explosive devices. Investigators say they believe the explosive was made by someone experimenting with commercially available products. (AP Photo/Andres Kudacki, File) (The Associated Press)

New York police investigators say they've uncovered traces of substances common in explosives in a device that detonated when a Virginia man stepped on it in Central Park, resulting in the amputation of part of his leg.

Connor Golden of Fairfax, Virginia, a college student at the University of Miami, was at the park July 3 with friends when he stepped on a rock covering the explosive and lost his lower left leg and foot.

Investigators don't believe the device was meant to intentionally hurt anyone.

Police said Thursday the substances found in the investigation are legally available for sale in hardware stores and can be used with other products to develop homemade explosive devices. Investigators say they believe the explosive was made by someone experimenting with commercially available products.