T hursday is an official day of mourning in Azerbaijan as an investigation is underway to determine what caused an airplane carrying 67 passengers to crash on Christmas Day in Kazakhstan, killing 38 and leaving at least 29 survivors. Video posted by CNN shows the plane crash-landing, exploding into a fireball and plumes of black smoke.

After an Azerbaijan Airlines jet crashed in Kazakhstan, speculation mounted about why the plane went down and whether possible Russian air defense action may have played a role.

U.S. officials say Russia could be behind a passenger plane crash in Kazakhstan that left dozens dead on Christmas Day. U.S. officials say it looks like the plane was hit by a Russian air defense system,

Emergency specialists work at the crash site of an Azerbaijan Airlines passenger jet near the western Kazakh city of Aktau on Dec. 25. Photo: Issa Tazhenbayev/AFP via

ASTANA — Azerbaijan observed a national day of mourning on Thursday after a passenger jet from its flag carrier crashed in western Kazakhstan on Christmas Day, killing 38 of the 67 people onboard. The Embraer 190 aircraft was supposed to fly northwest from the Azerbaijani capital Baku to the city of Grozny in Chechnya in southern Russia,

We're learning new details about a plane crash in Kazakhstan. Hertz bought a bunch of Tesla Model 3s for its rental fleet and quickly realized that Tesla depreciation would be extra bad at scale. In an aggressive effort to sell off its remaining Tesla inventory,