Rescue crews were searching early Friday for a teen who fell off a Jet Ski he was riding with a friend on Lake Down in central Florida, officials said.
The 17-year-old and his friend both fell into the water around 8:30 p.m. Thursday, Orange County Sheriff's officials said.
The friend was later rescued but the 17-year-old never resurfaced, investigators said. The friend was taken to a hospital for treatment. His condition was not released.
Lake Down is in Windermere, which is near Orlando.
No additional details were available.