Slovakia closes border crossing with Ukraine amid warnings of further Russian strikes – as it happened

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Responding to the Guardian's questions, the operator also confirmed that the vast majority of the 1,187 guests on board are British. There are also 514 crew members.

Ambassador Cruise Line also confirmed that a 92-year-old man died on board earlier this week, but he did not report any symptoms at the time and the cause of his death is yet to be established.