A body has been found in the search for TV doctor and columnist Michael Mosley, who went missing on a Greek island.The body and an umbrella were discovered in a rocky area beside Agia Marina on Symi on Sunday 9 June after an extensive search operation led by emergency workers.Mosley, known for popularising the 5:2 diet and for his appearances on The One Show and This Morning, was on holiday when he vanished.The 67-year-old TV personality was last seen by friends at Agios Nikolaos beach on Wednesday, before going for a walk to the centre of the island.