It was Friday that tragedy struck on the movie set of 'The Lone Ranger', that is currently being recorded by Burbank-located Walt Disney Studios .
A crew member was found unconscious inside a water tank in the Los Angeles area, as he was diving underwater conducting preparations for the set, during an off-day between filming, according to New York Daily News.
The man's name has not been released and but it is believed that he suffered a heart attack while underwater, according to The Huffington Post.
"We regretfully confirm that a 'Lone Ranger' crew member has passed away after being taken to a local hospital. Our hearts and thoughts are with his family, friends, and colleagues at this time, and our full support is behind the investigation into circumstances of this terrible event," Disney said in a statement.
'Lone Ranger' stars Johnny Depp and Armie Hammer in the main roles, and is produced by Jerry Bruckheimer and directed by Gore Verbinski. It is scheduled to hit theaters on May 31, 2013.