The sea-crusted wing was discovered off the west coast of Reunion Island in the western portion of the Indian Ocean on July 29.
Debris found in the Indian Ocean last week belonged to missing flight MH370, Malaysian authorities have confirmed.
The sea-crusted wing was discovered off the west coast of Reunion Island in the western portion of the Indian Ocean on July 29.
"It is with a very heavy heart that I must tell you, an international team of experts have conclusively confirmed that the aircraft debris found on Reunion is indeed from MH370," Malaysian Prime Minister Najib Razak said at a press conference on Wednesday.
Read: Is Airplane Debris Found in Indian Ocean From Missing Flight MH370?
"We now have physical evidence that ... Flight MH370 tragically ended in the Southern Indian Ocean."
At a press conference on Wednesday, French officials said it was very likely from the plane.
Investigations were launched after the wing piece - a "flaperon" - was found last week. It appeared to come from a Boeing 777; flight MH370 is the only 777 known to be missing.
Malaysia Airlines MH370 was traveling from Kuala Lumpur, Malaysia to Beijing when it vanished without a trace in March 2014, killing all the 239 people on board. Most of the passengers were Chinese.
Read: Missing Malaysia Airlines Search Grows Increasingly Difficult
Extensive searches in the months after the tragedy turned up no debris from the plane.
Since the flight's disappearance, there have been multiple theories about what happened to the plane.
One theory, based on satellite data, is that the plane veered south into the Indian Ocean after falling off the radar. This plane piece appears to support this theory.
Watch Below: Dash Cam Captures Terrifying Plane Crash
