The doctor of a man with severe amnesia said staff "were no closer to his identity" and were still appealing for information from anyone who might know he who is.
Dr Manaan Kar Ray told Good Morning Britain "Robert", as doctors are calling him, is "very keen, if anyone knows him, that they might be able to help him piece his life together."
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It is the fifth publicly known guilty plea in the probe into possible collusion between the Trump campaign and Russia during the election.
Louella Eve Fletcher-Michie, daughter of Holby City actor John Mitchie, died last year at the Bestival music festival in Dorset.
Dry with dropping temperatures