The attempted bomb attack in Exeter was by a lone deranged jihadist with links to extremists.
http://www.timesonline.co.uk/tol/news/uk/crime/article5619151.ece
Another lone Jihadist with links to Islamic extremists.
She stabbed an MP in stomach.
http://www.bbc.co.uk/news/uk-england-london-11682732

Neither their nor Breivik's crimes should be used as evidence in reasoned political debate.