Four teenagers are in the hospital after an abandoned building's roof collapsed in Rhode Island.
The four boys were exploring an abandoned structure in Brenton Point State Park in Newport when one teen fell through the roof.
"This is the last thing that we want to see happen," Department of Environmental Management Public Information Officer Michael Healey told local outlet NBC 10.
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He continued, "It's obviously very troubling what's happened, and we hope that the three teenagers who were injured will have full recoveries."
The boy, along with a two-by-four slab of concrete, fell 25 feet through the structure.
The unidentified boys — aged 12, 15, 15 and 16 — were all injured in the incident.
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Two victims were driven to the hospital, while another was helicoptered to a facility for emergency treatment.
A fourth teen was treated on the scene and released.
The building, known as "The Bells," was once part of a larger mansion that has mostly been torn down.
"The Bells" presents a difficult situation for park administrators.
The abandoned building has inherent historical value that would be wasted if the entire structure was torn down.
"We'd like to tear the structure down completely, but it does have some historical significance," Healey told the outlet.
Brenton Point State Park had fenced off the structure and put up "No Trespassing" signs due to the known danger of the condemned building.
However, photos online show that "The Bells" has become a frequent site for illicit exploring by park visitors despite the warnings.