They were there to hand out leaflets saying cars shouldn't use the ASB. They were, of course, handing them to cyclists...
If the leaflet says use the box keep it in your bag and have fun with replying "I was instructed to do this by a police officer, here is the instructions I was given"
If the leaflet says use the box keep it in your bag and have fun with replying "I was instructed to do this by a police officer, here is the instructions I was given"