How the terror threat we face has diversified since the 1970s

Last year was the worst in a decade for terror attacks on UK soil, with the highest number of terror-related deaths since 2005 saw the London bombings kill 52. A man in his 20s is being held by police on suspicion of terrorist offences after driving at speed into a security barrier outside parliament. It is the second terror-related incident to occur at the location in the space of 18 months after Khalid Masood killed five people in his attack on the Houses of Parliament last March. The terrorism threat level currently stands at severe – the second highest level – meaning that an attack is “highly likely”. On 22 May 2017, 22 people were killed by a bomb at a music concert in Manchester, less…