So, "supporters" of one side that has promised not to escalate (but believes the region belongs to them based on an overwhelming vote) has killed a soldier from the other side (which has promised to respond) as he defended a military base for his country...

*UKRAINE DEFENSE MINISTRY SPOKESMAN MOTUZYANYK SPEAKS BY PHONE

*UKRAINE AUTHORIZES LIVE AMMO USE FOR SELF DEFENSE: MOTUZYANYK

*UKRAINE AUTHORIZES LIVE AMMO AFTER CRIMEA DEATH: MOTUZYANYK

*UKRAINE LIVE AMMO AUTHORIZATION IN CRIMEA ONLY: SENYK

Does that mean war has started?