Crufts: It's not just dancing dogs - it's pure skill

It is 11am on a Thursday and I have just stepped over a pile of collie sick and avoided a crowd of surly teenagers who thought they were way too cool for school - though not, apparently, for hats shaped like spaniels. The arena is slowly filling, as I watch 16 labradors dance in formation to Mika. Hands up who's having the most random day so far then...