Often we put the threat of a penalty on the table if we want to stop something.
Especially when it comes to children.
So what to do then when children (let's hope it is, as suggested, children) start throwing rocks at CityLink buses?
It's been happening in Otangarei, Raumanga and Onerahi.
In one case, a window was shattered and passengers inside left shaken. And fair enough - it would be quite a jolt to be minding your business riding along when suddenly, smash.