Underwater ‘banging’ sounds heard in search for missing sub: reports

Using sonar on Tuesday, rescuers looking for the five-person Titanic submarine that went missing two days earlier heard underwater “banging” noises in the North Atlantic, according to media reports citing US government communications.

The search’s Canadian P-8 aircraft “heard thumping sounds in the region every 30 minutes. According to Rolling Stone magazine, an internal communication provided to US Department of Homeland Security officials stated the hammering continued four hours after more sonar was deployed.

According to an official US government memo, sonar detected hammering noises, but CNN also noted that the memo did not specify when the noises were heard Tuesday, how long they lasted, or what might have caused them.

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