BBC correspondent Joe Inwood reports from the Greek island of Symi where Michael Mosley was last seen before he went missing.
The rescue operation is focused on the Pedi area of Symi after a woman said she saw him there on Wednesday, the island’s deputy mayor Ilias Chaskas told BBC News.
Known for his TV programmes and his Just One Thing podcast which airs on BBC Radio 4, the presenter was last seen on Wednesday.