Floral tributes to the victims of the March 22 terror attack are seen on outside the Houses of Parliament in Westminster, central London on March 27, 2017. British police investigating a deadly attack on parliament made a new arrest Sunday as officials set their sights on accessing WhatsApp, the heavily-encrypted messaging service that was used by the killer. / AFP PHOTO / Justin TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)
Getty Images

AFP JUSTIN TALLIS