A fish factory worker survived spending more than four days trapped inside an industrial freezer, licking ice to keep himself alive. Mai Thanh Sang feared he was going to die when he was buried under bags of fish fillets after shelving units collapsed as he and three colleagues cleaned the -22C storeroom. Thoughts of his wife and baby helped the 23-year-old keep his spirits up while rescue workers spent 103 hours trying to find him. When they reached him, Mr Sang was suffering from the worst case of frostbite doctors at Cho Ray Hospital in Ho Chi Minh City, Vietnam,...