Questions Emerge About Titanic-Bound Sub’s Regulation, as Investigators Hunt for Reason It Imploded

Questions Emerge About Titanic-Bound Sub’s Regulation, as Investigators Hunt for Reason It Imploded
A submersible vessel named Titan used to visit the wreckage site of the Titanic. OceanGate Expeditions via AP
The Associated Press
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Authorities hunted Friday for the reason a submersible carrying people to the wreck of the Titanic imploded deep in the North Atlantic, as questions emerged about how such expeditions are regulated and tributes poured in for the five aboard who were killed.

The announcement that no one survived Thursday brought a tragic end to a five-day saga that included an urgent around-the-clock search for the vessel known as the Titan.