Experts say evidence in the Azerbaijan Airlines plane crash in Kazakhstan points to a possible midair explosion, not an encounter with a flock of birds.

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

Azerbaijan Airlines, the carrier of the passenger jet that crashed in Kazakhstan on Christmas Day, said preliminary investigations have found the disaster occurred “as a result of physical and technical external interference,

Azerbaijan Airlines suspended more than half of its Russian schedule over safety concerns after a plane headed to Grozny this week was reportedly damaged by Russian air-defense systems before crashing as it attempted to land in Kazakhstan.

Aviation experts say that Russian air defense fire was likely responsible for the Azerbaijani plane crash the day before that killed 38 people and left all 29 survivors injured.

Thirty-eight of 67 onboard flight from Baku to the Chechen city Grozny believed to have been killed. Russian authorities cite bird strike.

A day after an Azerbaijani airliner’s crashed in Kazakhstan, aviation experts say the plane most likely went down after being hit by Russian air defense systems.

The U.S. officials added that if the preliminary information proves to be true, it would further underscore Russian recklessness in its invasion of Ukraine.