Two black boxes from Sunday’s Ethiopian Airlines crash have been recovered and are currently being analyzed in France.

The boxes contain flight information as well as voice recordings from the cockpit. A spokesman for the French Bureau of Enquiry and Analysis said “The truth about the crash is indeed contained in the flight recorders”.

157 people were killed in Sunday’s crash, the second major crash in six months involving a Boeing 737 Max 8. That has led to many airlines around the world ground all Boeing 737 Max 8 flights pending the investigation.

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