No one promised democracy and a free country would be easy. There was a time in Great Britain when it was vulnerable to a century's long civil war. The UK survived that and now there is peace. This is not very different.
Citizens have to give up some of their privacy when entering an arena and other public venues to walk through magnetometers (click here) and possibly body searches, but, when the game begins and ends it will all be worth it.
May 24, 2017
By Griff Witte, Karla Adam and Sudarsan Raghavan
But by day’s end, British authorities acknowledged that they remained vulnerable to a follow-up attack, with the nation’s state of alert stuck at “critical” — the highest possible level.
The sight of soldiers deploying at London landmarks such as Buckingham Palace and 10 Downing Street underscored the gravity of a threat that was known in general terms before Monday night’s explosion but has come sharply into focus in the 48 hours since....
The more intense scanners at airports have been tested:
...Johns Hopkins University Independent Assessment group. (click here) Each assessment proved the effective dose rate to be below the American National Standards Institute/Health Physics Society's standard annual dose limit of 250 μSv over a 12-month period....
For those like me that need reassurances beyond studies because radiation accumulates in day to day life. I did not investigate this service and if they provide readings to average individuals or church groups or whatever group. But, it is only $69.00 per year.