This Morning presenter Dermot O'Leary has broken his silence on the disappearance of Dr Michael Mosley.
Issuing powerful words, the star, who often presents alongside the TV personality, discussed the missing person's case with Alison Hammond, Vanessa Feltz and Nick Ferrari.
He said: "We can only hope and pray and send our love to all his loved ones that he's found."
Dr Michael Mosley's wife says 'We will not lose hope'
Michael Mosley went missing on the island of Symi after leaving St Nicholas Beach to walk back to Pedi on Thursday.
Concerns were first raised when the agent of the 67-year-old author and dietitian revealed that he did not return home. A search operation was then initiated by authorities on the island.
Discussing the case, a Foreign Office spokesperson stated on Thursday: "We are supporting the family of a British man who is missing in Greece and are in contact with the local authorities."
Michael Mosley's wife Dr Clare Bailey Mosley also shared her thoughts about the case, telling fans: "we will not lose hope".
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'We will not lose hope' - Michael Mosley's wife breaks silence as search continues
Dr Michael Mosley reported missing on Greek island of Symi
She said: "It has been three days since Michael left the beach to go for a walk. The longest and most unbearable days for myself and my children.
"The search is ongoing and our family are so incredibly grateful to the people of Symi, the Greek authorities and the British Consulate who are working tirelessly to help find Michael. We will not lose hope."
It is understood that Dr Mosley was last seen by CCTV on a grey-stoned house beside a harbour on the island.
He may have walked along a steep uphill concrete road.
At the end of the street, a small path leads into the rocky landscape which has little vegetation beyond thistles and dry grass.
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