US skydiving instructor found dead after apparently falling without parachute

Authorities say federal aviation agency to investigate incident after also rescuing instructor's student from tree

A 35-year-old skydiving instructor was found dead in a wooded area near Nashville over the weekend after being presumed to have fallen without a parachute, and a student of his was rescued out of a tree, authorities said.

Officials added that the pair had become separated ... from a tandem rig" while on the airplane from which they were diving.