- The helicopter went down late Friday
- The National Transportation Safety Board is investigating
(CNN)A medical helicopter crashed into the parking lot of a St. Louis hospital, killing the pilot.
The helicopter went down late Friday in the parking lot on the campus of St. Louis University Hospital, spokeswoman Laura Keller said.
The St. Louis Fire Department said on Twitter that it responded to a helicopter accident and a subsequent fire that had been extinguished.
Pictures from the scene showed charred smoky remains as authorities combed through the accident site.
No patients, employees or hospital visitors were affected, Keller said. The St. Louis Fire Department confirmed the pilot was the only fatality.
The pilot's identity has not been released. No other information was immediately available.
The National Transportation Safety Board is investigating, according to the hospital spokeswoman.