5 aboard missing Titanic tourist sub are dead after 'catastrophic implosion'

All five passengers aboard a submersible that vanished while on a dive to explore the Titanic wreck site died, officials said Thursday after underwater robots discovered seafloor debris from the sub that was “consistent with a catastrophic implosion.”

A robot from the Canadian vessel Horizon Arctic discovered several major pieces of the 21-foot sub, the Titan, in a debris field about 1,600 feet from the bow of the Titanic, U.S. Coast Guard Rear Adm. John W. Mauger said at a news conference.

“The debris is consistent with the catastrophic loss