Delta plane's landing gear collapsed during Toronto crash-landing, investigators say

The Delta Air Lines plane that landed upside down in Toronto in February suffered a landing gear collapse as it made contact with the runway, according to a new report.

Investigators released a preliminary report on the crash on Thursday, saying the jet had descended at a high rate of speed, triggering a safety alarm to go off in the cockpit just 2.6 seconds before landing. The plane's right main landing gear collapsed on contact with the runway.

"At touchdown, the following occurred...