British diver pays tribute to navy Seal who died in Thailand cave rescue

John Volanthen, one of the two divers who found the 12 boys and their football coach in the Tham Luang cave complex, has said they were not heroes, adding: 'What we do is very calculating, very calm – it is quite the opposite.' He also paid tribute to Saman Kunan, a Thai navy Seal who died during the rescue operation