I flung open the door. I got a momentary flash of about a hundred and fifteen cats of all sizes and colours scrapping in the middle of the room, and then they all shot past me with a rush and out of the front door; and all that was left of the mobscene was the head of a whacking big fish, lying on the carpet and staring up at me in a rather austere sort of way, as if it wanted a written explanation and apology.