Jihadist attacks in the UK

The rate of offending in the last five years has increased from for the previous 13 years: IROs have almost doubled, increasing by 92% from 12 to 23 per year, while distinct terrorism cases have almost tripled, increasing by 180% from an average of five per year last decade to 14 per year between 2011 and 2015.

http://henryjacksonsociety.org/wp-content/uploads/2017/03/Islamist-Terrorism-preview-1.pdf