A contestant of the Bulgarian verison of reality television show "Survivor" died of a heart attack while filming an episode of the show on an island beach, Philippines police said.

Noncho Vodenicharov, 53, died on Saturday despite efforts by a Filipino and a Bulgarian doctor to save him, Police say.

Chief Inspector Hilario Lelis Are said on Monday that Vodenicharov had just finished an activity for the contest at the Gota Beach Resort in Caramoan township in eastern Camarines Sur province.

Vodenicharov was a town mayor and a former stuntman and singer, Bulgarian news reports said.

Survivor originated in the U.S. but other countries have created their own versions of the popular show.

Contestants compete in a variety of tough physical challenges until there is a sole winner.