OZARK, Ar – The Franklin County Sheriff’s Office have confirmed Sunday night that they have searched for a helicopter after it was reported missing.

UPDATE: One person has survived and three people have died.

The sight-seeing helicopter was operating at the Backwoods Music Festival at Mulberry Mountain and had been reported missing. Franklin County Sheriff Anthony Boen says the helicopter has been found and several injuries had been were reported.

Authorities found the helicopter just north of Ozark with the pilot and three passengers on board at approx 8:30pm Sunday night.

This story is still developing.