The Kremlin on Thursday warned against speculating what may have caused an Azerbaijan Airlines flight to crash, killing 38 of the 67 on board, after an aviation expert said evidence indicated that a Russian anti-missile battery may have brought down the ...

The crash of an Azerbaijan Airlines flight in Kazakhstan, killing 38 passengers, has sparked international controversy, with allegations emerging that a Russian missile may have caused the tragedy. The Embraer 190 aircraft,

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.

Early indications suggest a Russian anti-aircraft system may have downed the passenger jet that crashed in Kazakhstan on Wednesday, a US official told CNN as Azerbaijan held a day of mourning for the dozens of victims of the disaster.

There was growing speculation that an Azerbaijani airliner was shot down by Russian air defense system. Russia had initially said it believed the plane hit a flock of birds, but a U.S. official says it may have been struck by Russian air defenses.