Basically polititicians are selling out their people to give more power to a supranational organization (EU in this case). Sound familiar?
Here's one article, some bias, but at least it gives an idea of what's going on there. There's a lot more info out there, I wouldn't rely on this one article if ykwim. http://news.bbc.co.uk/1/hi/uk_politics/7265502.stm