A preliminary report on the investigation into the Air India flight that crashed last month has answered some questions about the fatal accident but raised many more and fuelled speculation about the cause.

Fresh details have emerged of cockpit interactions between two pilots in lead up to crash involving Gatwick-bound flight

Air India's inspection of the locking feature on the fuel control switches of its existing Boeing 787 aircraft found no issues, an internal communication circulated within the airline said."Over the weekend,