British security services say they thwarted 13 terror attacks in four years

Speaking in Manchester on Monday, Mark Rowley, assistant commissioner for London’s Metropolitan Police, announced a new initiative to boost public contributions to police investigations.Action Counters Terrorism plans to use podcasts and advertising to encourage the public to report their suspicions to the police.Mr. Rowley said 13 attacks had been thwarted in less than four years, mostly thanks to information from the public.