There are early indications that a Russian anti-aircraft system may have struck the Azerbaijan Airlines plane that crashed in Kazakhstan, a U.S. official told ABC News.

The Azerbaijan Airlines plane flew hundreds of miles off its scheduled route from Baku to Grozny, and crashed on the eastern shore of the Caspian Sea. Russia's aviation watchdog said a bird strike might have been the cause.

ASTANA: The Kremlin on Thursday (Dec 26) cautioned against "hypotheses" over the crash of an Azerbaijani plane heading for Russia, killing 38 people, which Azerbaijan of

Industry experts and Ukraine officials are suggesting that Russia likely is to blame for the Azerbaijan plane crash that killed dozens. NBC News' Daniele Hamamdjian reports on the ongoing investigation and what may have caused the crash. As a kid ...

warned its clients that the “Azerbaijan Airlines flight was likely shot down by a Russian military air-defense system.” Osprey provides analysis for carriers still flying into Russia after Western airlines halted their flights during the war.

Azerbaijan on Thursday observed a nationwide day of mourning for the victims of the plane crash that killed 38 people and left all 29 survivors injured as speculation mounted about a possible cause of the disaster,

The Azerbaijan Airlines Embraer 190 flight left Baku, Azerbaijan, on Christmas to Grozny, Russia. Instead, the plane crashed in Aktau, Kazakhstan.

"No one claims that it was done on purpose," an Azerbaijan official told Reuters. They added their government "expects the Russian side to confess."

An Azerbaijan Airlines passenger jet crashed on Wednesday in western Kazakhstan after travelling far off course, killing 38 of the 67 people on board, officials said. The Embraer 190 aircraft that was supposed to fly northwest from the Azerbaijani capital Baku to the city of Grozny in Chechnya in southern Russia,

Russian aviation authorities said the Azerbaijan Airlines plane had hit a flock of birds. But some experts cast doubt on that account, pointing to footage showing apparent holes in the fuselage.

The investigation on the crash of the Embraer E190 while attempting an emergency landing is still ongoing, however reports of a possible involvement of