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.

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

Russia and Kazakhstan have tried to calm speculation about the cause of the Azerbaijan Airlines plane crash, following claims it had been shot down by Russian air defence systems. On Thursday, Moscow urged calm as its foreign minister said it would be wrong to come to conclusions before an investigation into the crash was complete.

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

An Azerbaijan Airlines flight from the Azerbaijani capital of Baku to Russia crashed, hospitalizing survivors while dozens are feared dead.

An Azerbaijan Airlines plane that crashed on Christmas Day was “likely shot down by a Russian military air defence system,” a UK-based aviation security firm has said.

Flight J2-8243 crashed down on Wednesday in a ball of fire near the city of Aktau in Kazakhstan after diverting from an area of southern Russia

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

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,

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.

ASTANA, December 26. /TASS/. Kazakhstan’s International Airport in Aktau received reports before the passenger plane’s crash that an onboard cylinder containing oxygen exploded and passengers started losing their consciousness, Kazakh Transport Minister Marat Karabayev said at a news briefing.