News24.com | British billionaire and Pakistani tycoon on missing Titanic sub will run out of oxygen soon, say experts

Rescuers trying to find the orca-sized submersible that vanished on its way to visit the wreck of the Titanic are facing a gargantuan task that will test the limits of technical know-how, experts say.

Source: News24.com | British billionaire and Pakistani tycoon on missing Titanic sub will run out of oxygen soon, say experts