“Hello, you’re Tony Blackburn, aren’t you?”
“That’s right: I am indeed. I’m sorry, I don’t know who you are.”
“My name is Mo.”
“Hello Mo. I’m surprised you recognised me.”
I observed his electric blue shell suit, luminous yellow woollen hat and jogging trainers, and shared his surprise. I also decided that, in future, it would be better not to go down the newsagent on a Sunday.