The Air India flight fell from the sky on Thursday and killed at least 270 people in Gujarat state, officials said Saturday.

Air India and Boeing are in the midst of significant turnarounds, but knowing the cause of the crash of Flight 171 will take a lengthy investigation.

It could take months to fully understand what went wrong in the crash, the first involving a Dreamliner. Officials from India continued the investigation Friday.

The event, which runs from June 16 to June 20, is the industry's largest trade show, where many aircraft orders are typically placed by airlines.

Air India flight AI171, a Boeing 787-8 carrying 242 people, crashed after taking off from Ahmedabad on its way to London.

By Sudipto Ganguly, Abhijith Ganapavaram and Aditya Kalra AHMEDABAD, India (Reuters) -The investigation into the Air India plane crash that killed more than 240 people is focusing on the engine, flaps and landing gear,

The U.S. Treasury held a closely eyed $22 billion auction of 30-year bonds, and solid demand showed investors are still hungry for long-term government debt, despite policy uncertainty.

The crash happened just weeks after the company cut a deal with the U.S. government to avoid taking criminal responsibility for a pair of deadly crashes in 2018 and 2019.