The CEO of Air India sought to draw a line under rife speculation around the cause of last month's air disaster in Ahmedebad, saying the preliminary investigation had ruled out a mechanical cause for the crash.

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.

Air India CEO Campbell Wilson said the Aircraft Accident Investigation Bureau’s (AAIB) preliminary report found “no mechanical or maintenance issues with the aircraft or engine,” reported Hindustan Times. Urging caution, he noted the report identified no cause nor made any recommendations and asked everyone to avoid “drawing premature conclusions.”