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The rescue mission to find a missing tourist submersible, which lost contact on its descent to the Titanic, has expanded deep underwater. There are five people aboard and the US Coast Guard estimates they have about forty hours of oxygen left.

Also on the programme: we hear from the 13-year-old Ukrainian author who kept a diary of her journey escaping Russia’s invasion, and the full-time accountant who recorded this season's fastest 100m time in Europe.

(Picture: The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken SS Titanic off the coast of Newfoundland. Credit: Reuters)