A loss of engine power is increasingly being seen as the most probable cause of the Air India Boeing 787-8 crash in Ahmedabad that killed more than 270 people on Thursday.Video footage and preliminary findings suggest that the aircraft failed to gain altitude,

Air India plane crash investigators find the first of the "black boxes" from the Boeing 787-8 that slammed into buildings, killing all but one of the 242 people on board.

The only known surviving passenger was in seat 11A, next to an emergency exit, said Vidhi Chaudhary, a top state police officer, adding that there could be more survivors in hospital.