The crash happened in the state of West Virginia.
In the United States, a helicopter crashed near a highway in Logan County. All six people on board died. What caused the crash of the aircraft in West Virginia is not reported yet.
The US Federal Aviation Administration (FAA) and the National Transportation Safety Board (NTSB) have launched an investigation into the aviation incident.
The flight was made by a private company.
Note that West Virginia is a mountainous state.