Have you ever fight at this kind of incidents? If you have the experience you'll understand the opponents aim at when you get in touch with him, If he is fighting to kill you or not. Then the choice is yours either you are going to kill or be killed.
U.S. sanctions Russia's state-owned arms exporter Rosoboronexport (Reuters)
from the article: IDF chief to Gaza flotilla probe: Raid quickly became 'chaotic'