Seven theories Greek police searching for missing Dr Michael Mosley are exploring

Dr Michael Mosley has been missing for two days on the Greek island of Symi, sparking a major search operation involving holidaymakers and local residents.

The authorities have launched an urgent investigation, following up on several leads to find the 67-year-old. The quest to find the popular This Morning figure is intensifying as Greek officials set a deadline amid concerns that the extreme heat could have impacted him. Follow live updates from the search here.

On Friday, it was revealed that divers had joined the search for the doctor and columnist. Police and firefighters have been using drones to try to locate Dr Mosley, who vanished after setting off on a walk to the centre of the island on Wednesday.

While police are not ruling out heat-related issues, they are also exploring other possibilities such as a significant fall or a snake bite, Wales Online reports.

Read more: Dr Michael Mosley search hit by extreme alert amid 'strange' disappearance

One hypothesis being considered by Greek police is that Dr Mosley may have "fallen from a height" while walking near St Nicholas Beach. Symi's mayor, Eleftherios Papakalodoukas, has highlighted the risks associated with the path Dr Mosley is believed to have taken, noting its "very high cliffs" and difficult terrain.

Symi is characterised by its rugged mountains, punctuated by steep cliffs, tranquil beaches, and hidden coves, many accessible only by boat.

Another theory being explored suggests that Dr Mosley may have fallen into the sea. Mayor Papakalodoukas said that firefighters involved in the search had considered it "impossible" for Mr Mosley to be in the area they had thoroughly investigated, indicating he might have taken an alternate route or experienced a