Hi everyone. It is 5 00 eastern, 2 00 p. M. Pacific. Im poppy harlow joining you this afternoon from new york. We begin with a possible breakthrough in the flight for mh370. The focus right now is on a laboratory in toulouse france. Thats where a piece of debris is right now. A Police Escort for a barnaclecovered wing part that investigators are all but certain comes from a boeing 777, but is that plane mh370 . Heres what we know right now. Among those analyzing the part experts from boeing and the ntsb they are headed to france at this hour. Many believe the piece is the first real solid evidence from the flight that vanished from ground contact nearly a year and a half ago. Experts believe it is part of the wing, the planes wing. It is a part technically described as a flaperon. People cleaning the beach found it on the frenchcontrolled island of reunion, on the opposite side of the indian ocean, from where mh370 was last known to be. Cnns saima mohsun is there this evening. This pie