AKIPRESS.COM - A US man died when a vape pen blew up and projected fragments into his skull, a post-mortem examination has found, BBC reported.

Tallmadge D'Elia also suffered burns over 80% of his body in a fire on 5 May caused by the exploding e-cigarette, according to forensic officials.

The 38-year-old's body was discovered by firefighters in the fiery bedroom of his family home in the beach resort of St Petersburg, Florida.

It is believed to be the first US death from a vape pen explosion.

The television producer's death has been ruled an accident.

The Pinellas-Pasco Medical Examiner said the official cause was "projectile wound of head", reports the Tampa Bay Times.