Looks like the various Russian imported mercenary groups are fighting with each other---so much for Russian unity.

#Luhansk city was bombed tonight, sources say.
Would be first time since MONTHS!
https://www.youtube.com/watch?v=1xFF5FFQtkw …

And to be clear: Nothing points at the Ukrainian army at this point.
Escalating conflict between Cossacks and LC "government",I would guess.