There have been cases of a very small number of survivors in very serious accidents, but it is "very rare" for there to be only one, a professor told Newsweek.

A British national, Vishwash Kumar Ramesh, has been identified as the lone survivor of the devastating Air India plane crash near Ahmedabad, India's western cityThe Boeing 787-8 Dreamliner, en route to London,

It seemed impossible, but shortly after news broke that an Air India flight had crashed in the city of Ahmedabad, video started circulating on social media showing a man walking from the scene in a bloodstained shirt.