British Army Deployed On The Streets As UK Terror Alert Increases To Critical [Getty Images]

LONDON, ENGLAND - MAY 24: An armed soldier and an armed police officer stand guard outside the Houses of Parliament on May 24, 2017 in London, England. 984 military personnel are being deployed around the country as the UK terror status is elevated to Critical in the wake of the Manchester Arena Terror Attack which took place on Monday night. Changing the Guard at the Buckingham Palace was cancelled and The Houses of Parliament have closed to the public. (Photo by Carl Court/Getty Images)

Getty Images News Carl Court