FWIW, AF has denied that a collision was narrowly avoided above Moscow.
According to preliminary information gathered, the 1000 feet separation was observed at any time and there was no risk of collision and passenger safety was not engaged
AF1465 Moscou Paris du 14 mars 2014 : Air France - Corporate
Air France dément une collision évitée dans le ciel de Moscou
Non story, methink.
[edit] and from French sources, there never was a doubt: the russian aircraft involved was a Tu-95.