Investigators looking into the Air India crash that killed 260 people are trying to uncovering a ‘mistake’ made by the pilots. Early assessments by US officials suggest the crash was not caused by problems with the Boeing 787 Dreamliner. The findings suggest that switches controlling fuel flow to the jet’s two engines were turned off.

Indian investigators of the deadly Air India airliner crash that killed 260 last month told a meeting of lawmakers that the plane's black boxes were not damaged, two people familiar with the discussi...