Add Yahoo as a preferred source to see more of our stories on Google. Investigators examining last year's deadly Air India Flight 171 crash in Ahmedabad have concluded the disaster was caused by the pilot in command deliberately moving both engine fuel control switches to cutoff, according to a report published Thursday.

Add Yahoo as a preferred source to see more of our stories on Google. Air India grounded a Boeing Dreamliner after its pilot reported a possible defect in a fuel control switch, a component central to the ongoing investigation into last June's deadly Ahmedabad crash.