Lots of assumption all-round in some of the replies. We don't really know what proceeded the incident. Lots of conjecture. Stress and the heady mix of adrenalin can and do make people react in unpredictable ways often that are uncharacteristic. Groups and packs of people (just like some animal and insect populations) can bring about collective behaviours also very uncharacteristic and unpredictably. I'm sure some of us here have seen herd mentality at play given various situations -especially in PRC although not exclusively. Added to that the very real possibility that one or more of the participants involved may or could have been carrying a gun with ammunition.

Possibly in different circumstances cooler heads would likely prevail. There are no absolutes in the situation, and WE don't know all the facts. Let he without sin cast the first stone!