Increasing analysis suggests Russian air defenses might have downed Azerbaijan Airlines flight J2-8243, which crashed in a ball of fire near Aktau,Kazakhstan on Wednesday morning, killing 38 of 67 passengers and crew.

This report contains content some people may find distressingThis social media video shows the moment Azerbaijan Airlines flight J2-8243 crashed in Kazakhstan on Wednesday, killing 38 people.Four sources with knowledge of the preliminary findings of Azerbaijan's investigation into the disaster told Reuters that Russian air defenses downed the passenger jet,

The flight was en route from the Azerbaijani capital of Baku to Grozny, in Russia’s south, when it diverted and attempted an emergency landing in Kazakhstan.