Quotes from the news wire:
Our policing operation will cover all eventualities. I won't go into what we are anticipating, we need to remind ourselves and the public that this is a wedding. It is a wedding in which the royal couple want the public to be involved. That is the story, it's not about the police and security operation.
People will be aware of the atrocities in the UK last year, in the last 18 months in Europe ... or around the world, so that will be at the back of people's minds, we police this to keep people safe - we have the capability, with the right police officers in the right place with the right skills to deal with all eventualities.