I have a lot of praise for those have a go people who brought what could have been more serious incident to an end and I'm sure we all have sympathy for all those who have lost love ones.
All I can say on this is that If I wish to take my grandchildren for a day out to London, I need to be reassured that it will be safe to walk around the city. I am very proud of those involved including the general public and the London police, who do a marvellous job, and sometimes come under untold criticism for only doing there job.
I could say a lot more about this topic but this site is not the place [say no more].