Arming our Police force

When a police constable in the course of his duty, patrolling our roads, trying to keep us safe, is brought close to death as a result. What do we as a society do?
The immediate cry is, GIVE THEM GUNS!!
My immediate reaction to that is. If two young rascals can sneak up behind an unarmed man and beat him nearly to death, how is giving him a gun going to protect him? It seems that Senior Constable Bruce Mellor was totally unaware of the danger he was in. As such was easy prey for their attack.Had he had a firearm on his person they could have easily taken that and done a lot more harm.
The Police are going to be a lot more unforgiving in the future, if they stop you, they may even demand that you step out of your car and check you for weapons, before writing you a ticket. I for one will not blame them.
Farmercorby.