Protestors descended on Westminster today as outrage over Sadiq Khan's Ulez continues to grow.
Some protesters called for Sadiq Khan to be removed as London mayor - saying "get Khan out" - while others had signs branding him a "liar".
One protester held a sign calling for Mr Khan to "stop the toxic air lie", while another carried a coffin past Downing Street with the words "RIP London" on it.
The London Mayor has faced growing backlash in recent months for his plans to expand Ulez in London, with the Mayor facing a High Court challenge over the plans.
The £12.50 ULEZ charge applies to vehicles that do not meet up-to-date emissions standards.
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Conservative mayoral candidate Susan Hall described the plans as "disastrous", pledging to reverse the expansion on "day one" if she becomes Mayor.
Hitting out at the Labour Mayor, Ms Hall told GB News: "Londoners have made their voices loud and clear on Sadiq Khan’s disastrous Ulez expansion.
"The Mayor has pursued this policy that does next to nothing to improve air quality, while hitting the poorest with a £12.50 daily charge.
"I will stop the Ulez expansion on day one of my Mayoralty."
The £12.50 Ulez charge applies to vehicles that do not meet up-to-date emissions standards.
It was recently expanded to cover the whole of London, having previously covered just inner London.
If a vehicle does not meet Ulez emission standards, drivers who fail to pay receive a penalty charge notice of up to £180.
This is reduced to £90 if paid within two weeks. The fines increased in January from £160 and £80 respectively.
Defending the rollout of the expanded Ulez , Mr Khan said that clean air is a "right not a privilege".
Speaking to BBC Breakfast, he explained: "We now have a really effective policy to reduce air pollution.
LATEST DEVELOPMENTS:
One protester held a sign calling for Mr Khan to 'stop the toxic air lie'
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"It’s shown to be effective in central London and inner London, but I think clean air is a right not a privilege.
"What about outer London? Why shouldn’t they breathe clean air?
"Why should they carry on dying prematurely in numbers that could be reversed?"
