Seven people were arrested at the demonstration on 12 Jan against the Serious Organised Crime and Police Act, currently under "review". Not all of the arrests were under SOCPA itself. Peace protester Brian Haw was injured and allegedly beaten up in a police van.

http://news.bbc.co.uk/1/hi/england/london/7186606.stm
https://www.indymedia.org.uk/en/2008/01/389308.html
http://www.repeal-socpa.info/