Titanic sub: ‘We have to remain hopeful’, says US Coast Guard, as vessel thought to have less than 20 hours of oxygen left – live
Rescue team says every noise being tracked and analysed; every possible effort' being made to bring missing crew home, says Polar Prince co-owner
An oceanographer has told the BBC the underwater noises give hope that those on board are still alive.
There are plenty of sound sources in the ocean, but it does give hope," Simon Boxall, a senior lecturer in oceanography at the University of Southampton, told the World Service.
A Canadian military surveillance aircraft detected underwater noises as a massive search continued on Wednesday in a remote part of the North Atlantic for a submersible that vanished while taking five people down to the wreck of the Titanic.
A statement from the US Coast Guard did not elaborate on what rescuers believed the noises could be, though it offered a glimmer of hope for those lost abroad the Titan as estimates suggest as little as a day's worth of oxygen could be left if the vessel is still functioning.
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