This is interesting.

Here we have a Christian enclave within a Muslim country and its consequuences are::

http://www.aljazeera.com/news/europe/2014/08/five-killed-clashes-over-nagorny-karabakh-201483212159938.html

What will U.S. and Russia do?

The Azeris are cousins to the Chechnyans. They have no love for the Russians

And the U.S. has a significant powerful and influential Armenian population to satisfy.

Will Russia OK U.S. intervention? And if the Russians will not will the U.S. take it lying down?