We are keen to hear what Londoners and motorists have to say about the proposed changes to the scheme.
The proposed changes will ensure the charge remains an effective deterrent to making unnecessary journeys in central London.
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Pictures of today's events unfolding following a major security incident at the Houses of Parliament.
At least two people have died after a knifeman brought terror to the heart of Westminster.
The Cobra committee brings together government ministers with senior officials of the emergency services and security agencies.