Titanic sub search: US Coast Guard says noises were heard yesterday – video

Rescue operations searching for the Titan submersible have focused their efforts on a remote area of the North Atlantic where a series of underwater noises have been detected. They were detected by Canadian P-3 aircraft on Tuesday and again on Wednesday, US Coast Guard officials said at a press conference.

Experts have not yet identified the source of these noises and officials have warned the sounds may not have originated from the missing vessel

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• Titanic sub search: source of underwater noises not known, says US Coast Guard