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

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

Titanic sub: more noises heard in search area, says US Coast Guard, as vessel may have less than 20 hours of oxygen left – live
Titanic sub search: source of underwater noises not known, says US Coast Guard