They were all in a state of shock later in the day after spending 5 hours in a secure environment with security forces like ants all over the place.
I'd like to know what intentions did one guy with a knife, hope to succeed had he gained entry to Westminster ? Not a lot, I shouldn't have thought and was there a bit of theatrical media ?
Maybe the empathy might be a bit stronger for others now, rather than the statuary 'very sorry' and 'condolences to family 'which is usually passed off without any true feelings of emotion.
It is a case of not being able to identify unless ones been hit with the same broom and I hope it doesn't happen again, but the protected now know a little more of how the ordinary man /woman/child might feel.