Over the last few weeks the UK serps have been bouncing alot...
Last week many seo noticed an influx of US domain for many terms in the uk effecting rankings..
Many UK ranking seem to of returned today.. Hope it sticks..
see the reaction http://search.twitter.com/search?q=uk+serps
I've seen one site move from 40's to 250+ to today in 30's ..
Big algo change in the UK... Hope some of the US domains are removed