Armed Metropolitan Police counter terrorism officers take part in an exercise on the River Thames on August 3 2016 in London United Kingdom Scotland...
{"Image ImageDescription": "LONDON, ENGLAND - AUGUST 3:  Armed Metropolitan Police counter terrorism officers take part in an exercise on the River Thames on August 3, 2016 in London, United Kingdom. Scotland Yard have announced that the first of 600 additional armed officers were trained and operationally ready, and unveiled plans to put more marksmen on public patrol. (Photo by Stefan Rousseau - WPA Pool/Getty Images)", "Image Copyright": "2016 Getty Images"}