World-Record Breaker, Business Leaders Missing on Titanic Tour
- Titan submersible carrying five people is missing in Atlantic
- Vessel has limited amount of oxygen supply for those on board
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Five people are on board a submersible vessel that has gone missing in the North Atlantic during an expedition to the Titanic shipwreck.
The group includes Hamish Harding, founder of investment firm Action Group and an avid adventurer. The 58-year-old Briton holds three Guinness World Records, including the longest time spent traversing the deepest part of the ocean — the Mariana Trench — on a single dive, and the fastest navigation of Earth via the North and South Poles by plane.