Azerbaijan Airlines flight J2-8243 caught fire as it tried to make an emergency landing in Aktau, southwestern Kazakhstan, on Wednesday. It was traveling from the Azeri capital Baku to Grozny, the capital of the Russian republic of Chechnya.

MOSCOW -- The second black box was found at the plane crash site near Aktau, Russian media reported Thursday citing a Kazakh official. Law enforcement agencies of Russia and Azerbaijan will participate in the investigation of the plane crash, the report added.

RUSSIA downed a passenger plane over Kazakhstan on Christmas Day killing 38 in a fireball crash, according to government sources. An initial investigation by the Azerbaijani government reportedly

A passenger plane flying from Azerbaijan to Russia with 67 people on board crashed in Kazakhstan Wednesday, authorities said.

The head of Ukraine's National Security and Defence Council's Center for Countering Disinformation, Andriy Kovalenko, also claimed that the crash was caused by the Russian air defence fire.

Azerbaijan Airlines flight J2-8243 had flown hundreds of miles off its scheduled route from Azerbaijan to Russia to crash on the opposite shore of the Caspian Sea in Kazakhstan. A Kazakh official said 38 people had been killed,

After 38 people died in the crash, some experts said the plane may have been accidentally shot by Russian air defense systems in an area where Ukrainian drone activity had been reported.

Several passenger plane crashes have occurred worldwide this year, including a Wednesday morning Azerbaijan Airlines wreck that has left dozens feared dead.

Caption: At least thirty-eight people were killed after an Azerbaijan Airlines plane bound for Russia crashed in Kazakhstan on Christmas morning, a Kazakh official said, adding that 29 others, including two children, survived the disaster. Investigators continue to work to determine what caused the crash.

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.

Questions were being asked Thursday about the cause of an airliner crash in Kazakhstan the day before, as Azerbaijan held a day of mourning for the dozens of victims of the disaster. The reasons that Azerbaijan Airlines flight J2-8243 came down are still unknown.