An Air India executive is still urging its staff not to jump to any conclusions as the investigation into the crash that killed 260 people last month continues. A preliminary report into the June crash found that the plane's fuel control switches had been flipped off one by one.

The preliminary report into the probe of an Air India plane crash in Ahmedabad last month raises several questions but does not provide any answers, the International Federation of Air Line Pilots' Associations (IFALPA) has said.