A US coastguard official has pinpointed the exact time the crew of the Titan submersible will run out of oxygen.
The vessel has been missing since Sunday, having embarked upon a mission to explore the wreckage of the Titanic. Those onboard include billionaire Briton Hamish Harding.
Search teams identified several undersea noises which they thought might be coming from the sub – but these now appear to be unrelated.
Speaking earlier, a US coast guard spokeswoman has said the Titan will run out at exactly 12.08pm today (BST).
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