Campaigners against the so-called "bedroom tax" stepped up their efforts today to have the policy repealed. Hundreds of people gathered in central London to mark one year since the benefit changes came into law.
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Six people were injured after they were hit with the substance during an "altercation" between two groups at a shopping in east London.
Save Your Uber in London was set up after it was announced the firm would not have its licence renewed when it expires next week.
Survivors are still traumatised, homeless and want answers.