“This was not a terrorist attack against the mighty and the powerful. It was not aimed at presidents or prime ministers. It was aimed at ordinary working-class Londoners, black and white, Muslim and Christian, Hindu and Jew, young and old. Indiscriminate slaughter irrespective of any consideration for age, class, religion, whatever. That isn't an ideology. It isn't even a perverted faith. It is just an indiscriminate attempt at mass murder.” – Ken Livingston, Lord Mayor Of London (BBC).
In a comment, Kathryn raised a question that should be more widely discussed: ‘What principle in the world is worth the costs of an act of terrorism?’.
I put it to the world.