British billionaire and Cambridge graduate amongst those missing on Titanic submersible
Hamish Harding is one of the five people onboard the missing sub
Last updated 20th Jun 2023
Five people are missing after a submersible has vanished near wreckage of the Titanic.
Rescue teams say there's only days left to find it before emergency oxygen runs out.
British billionaire and graduate of the University of Cambridge Hamish Harding is believed to be among those missing.
Operator OceanGate Expeditions says "every step possible is being taken" to rescue them.
A major search and rescue missing is being led by the U.S. Coast Guard, involving military aircraft.
Two of the five on board are believed to live in the UK.
They dived down around 4,000 metres in the North Atlantic Ocean with the wreck over 400-miles away from land - St John's in Canada.