We're not going to stop pedestrian access to London -- London is open for business, ... What we can't have is tens of thousands of demonstrators in Whitehall when Parliament is sitting.
We say that London is open for business. If we don't do that, then the terrorists will have won and that's not what we want,
It is unprecedented, but equally these are unprecedented times. These are the biggest threats that London has ever faced in peacetime,
All the police forces of London are all working together to keep London safe.