Bosses at Egyptair have confirmed wreckage found in the Mediterranean Sea was not from the missing jet.
The company's vice-president says they "stand corrected", after earlier saying wreckage was from the plane.
Meanwhile, officials think the 66 people on the jet service from Paris to Cairo could be the victims of a terror attack.
But they haven't ruled out a technical fault.
The U.S. is helping in the operation - Josh Earnest is the White House press secretary:
And, some of the stories of the victims are starting to emerge, this man knew one of the women on the flight: