Two people reportedly fell three stories into a basement when scaffolding collapsed at a construction site in Montauk on Wednesday afternoon.
Both people were flown to Stony Brook University Hospital.
The accident was reported at 11 Wills Point Road in Culloden Point at 2:51 p.m.
One Medevac helicopter, based in Westhampton, landed at the nearby Montauk firehouse on Flamingo Road. The second helicopter, which flew from Islip, was meeting a Montauk ambulance at the East Hampton Airport.
The Montauk Fire Department's heavy rescue squad was called to help remove the patients from the basement. The height of the fall could not immediately be confirmed.