Two U.S. military officials told NBC News that they had intelligence indicating that Russians may have misidentified the plane and shot it down.

Russian President Vladimir Putin has apologized to his Azerbaijani counterpart for what he called a “tragic incident” ...

The plane was flying on Wednesday from Azerbaijan's capital of Baku to Grozny, the regional capital of the Russian republic of Chechnya, when it turned toward Kazakhstan and crashed while making an ...