All five passengers - including three Brits - on the missing Titan submersible have been declared dead after it went missing amid a trip to the Titanic wreckage - but mystery still shrouds the tragedy.
A debris field found near the wreck of the Titanic has been confirmed as belonging to the vessel, which is understood to have imploded in "milliseconds" early into the journey.
Tributes have been paid to the passengers by the operator OceanGate Expedition, which said: "This is an extremely sad time for our dedicated employees who are exhausted and grieving deeply over this loss.
