Update: The sole fatality of the crash has been identified as Tennessee Valley Authority pilot John R. Love of Maryville, TN.
Next of kin have been notified.
Kentucky State Police are on the scene of a helicopter crash in Graves County.
Investigators from the National Transportation Safety Board and the Federal Aviation Agency are enroute to the site near KSP Post 1 Headquarters.
KSP confirms that there is one fatality in the crash, but are not releasing the identity until next of kin is notified.
The cause of the crash is unknown.
Further details are expected later today.