• A tourist poses for a photograph by the rotating sign outside New Scotland Yard, the headquarters building of London's Metropolitan Police force in central London
  • YouTube
  • A general view of New Scotland Yard, the headquarters of the London Metropolitan Police Britain's for-most and largest police serviceFriday, Feb., 3, 2012
  • Various police, Army and other emergency service personal attend a scene in Durrington near Salisbury, England, Monday March 19, 2018, as a car is taken away for further investigation into the suspected nerve agent attack on Russian double agent Sergei Skripal and his daughter Yulia
  • Knife
  • Members of the emergency services wearing protective clothing work next to a children's play area near the bench where former Russian intelligence officer Sergei Skripal and his daughter Yulia were found poisoned in Salisbury, Britain, March 13, 2018
  • Half of all London gun crime and 20 percent of knife crime is attributed to gangs
  • Police officers seal off the road on which Russian Sergei Skripal lives in Salisbury, Britain, March 7, 2018
  • A sign rotates outside New Scotland Yard
  • Police officers cordon off the territory near the UK Parliament in London where an assailant attacked a police officer and pedestrians.
  • Meghan Markle and Britain's Prince Harry, meet members of the public during a walkabout on the esplanade at Edinburgh Castle, Britain, February 13, 2018
  • (File) Britain's Work and Pensions Secretary Damian Green delivers his keynote address at the annual Conservative Party Conference in Birmingham, Britain, October 4, 2016
  • In this Oct. 27, 2017 photo, Kevin Spacey presents the award for excellence in television at the BAFTA Los Angeles Britannia Awards at the Beverly Hilton Hotel in Beverly Hills, Calif.
  • A man wearing a balaclava and holding a weapon
  • Princess Diana relaxes on the sand during a visit to the beach on the Caribbean Island of Nevis January 4, 1993.
  • In this photo taken Thursday, July 6, 2017, Christopher Msando, an information technology official for Kenya's electoral commission, speaks at a press conference in Nairobi, Kenya.
  • Smoke and flames rise from a building on fire in London, Wednesday, June 14, 2017.
  • Email
  • Britain's Metropolitan police headquarters, also known as Scotland Yard, is pictured in central London, on September 4, 2014
  • Laurel, Maryland, Police Officer Aaron Waddell shows on September 17, 2014, how the Laurel Police Department has been using body-cameras during patrols.