A helicopter crash near a small airport in the Twin Cities suburbs has left authorities confirming no survivors following the incident. Emergency personnel located the wreckage of a Robinson R66 aircraft approximately 2:45 p.m. local time on Saturday in an area west of Airlake Airport, according to a statement from the Lakeville Police Department. The site, situated in a non-residential and non-commercial zone, showed no signs of ground injuries, though the number of occupants aboard remains unspecified.

The National Transportation Safety Board (NTSB) reported the helicopter crashed under “unknown circumstances,” with a post-crash fire reported. Investigators are expected to arrive at the scene to determine the cause. Flight data indicated the aircraft abruptly stopped west of the airport moments before losing communication, according to aviation tracking service FlightRadar.

Authorities have not yet released details about the passengers or further specifics of the crash, which is under active investigation.