LOCKPORT, N.Y. (NEWSnet/AP) — Multiple people were sent to hospitals after a boat capsized Monday during a tour of an underground cavern system built to carry water from the Erie Canal beneath the western New York city of Lockport, officials said.

Police and fire crews were called to Lockport Cave Tours, about 20 miles northeast of Niagara Falls, at about 11:30 a.m. The tours take visitors on an underground boat ride illuminated only by small lights.

Police said crews were working to assist all parties safely out of the area.

“We have had eight of the passengers come into our ER,” said Patricia Brandt, spokeswoman for Eastern Niagara Hospital in Lockport. “None critical. They’re all stable and some have already been released.”

Brandt said she did not know the nature of the injuries but believed some were treated for cold from being in the water. Other patients went to other hospitals, she said, but did not have details.

Police didn't immediately say how many people were aboard the boat.

Video footage from the scene outside the Lockport Cave office showed one person talking as she was loaded onto an ambulance. Others wrapped in white towels were being escorted to a bus as a steady rain fell.

Photos and videos posted on the Lockport Cave website show small, flat-bottom boats slipping through a rough-hewn tunnel, which was blasted out in the 19th century to transport extra water from Erie Canal to power nearby businesses.

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