Azerbaijan is observing a nationwide day of mourning for the victims of the air crash that killed 38 people and left all 29 survivors injured as speculation mounted about a possible cause of the crash

The head of Russia's state aviation agency said Friday that the airspace was shut down over the Russian city of Grozny in the North Caucasus when an Azerbaijani plane that later crashed in Kazakhstan tried to land.

Azerbaijan Airlines has suspended flights to multiple Russian airports in the wake of a deadly plane crash, which it attributed to "physical and technical external interference."

Matt Borie, chief intelligence officer for aviation security firm Osprey Flight Solutions, joins NewsNation's "Elizabeth Vargas Reports" to discuss early indications from U.S. officials that a Russian anti-aircraft system downed an Azerbaijan Airlines ...

Azerbaijan Airlines and other carriers have suspended flights to several destinations in Russia after it emerged that Russian air defenses may have severely damaged an Azeri Embraer 190 that crashed Dec. 25.

An Azerbaijan Airlines Embraer 190 was en route from Azerbaijan's capital of Baku to the Russian city of Grozny when it crashed, killing 38 people onboard.

Russia’s aviation chief says that a Ukrainian drone attack was underway in the Russian region that an airliner was destined for before it diverted and crashed earlier this week.

Azerbaijan Airlines’ Embraer 190 was en route from Baku to the Russian city of Grozny when it was diverted for reasons yet unclear and crashed while making an attempt to land in Aktau in Kazakhstan.

A minister says all the survivors "heard blast sounds" over Grozny before the plane was diverted to Kazakhstan.

Russia's head of aviation Dmitry Yadrov claimed a Ukrainian drone attack was underway in Grozny before the plane crashed.