Categories News German riot police use water cannons on protesters as world leaders arrive for Friday’s G20 summit Post author By crystalg Post date July 6, 2017 CNN.com – RSS Channel – Mobile App Manual Tags arrive, Cannons, Friday's, German, Leaders, police, Protesters, riot, Summit, Water, World ← No, the Redditor who made the Trump/CNN GIF is not 15 years old → NYC Police Officer Ambushed While Monitoring Gang Activity Inside Mobile Crime Unit