About the only firm conclusions to be made here are, people were injured, some killed, and that it will take time to figure out what actually took place here.
Video from Alec Luhn, The Nation/UK Gaurdian correspondent.
Shows rocket launches from a jet fighter, then the aftermath.
https://www.youtube.com/watch?v=x3wBXkR0rJ0#t=128
Also, several tweets saying that Ukraine’s Lugansk Border Patrol HQ is under attack by a large force.