The preliminary results of Azerbaijan’s investigation into the deadly crash of a civilian airliner point to the plane being hit by a Russian antiaircraft missile, or shrapnel from it, said people briefed on the probe.

Video posted by CNN shows the plane crash-landing, exploding into a fireball and plumes of black smoke. Here’s what to know about the devastating accident and the latest on the possible causes. Passengers on the Azerbaijan Airlines’ Embraer operated ...

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.