Solicitor Richard Stein has warned disabled people are facing eviction following today's 'bedroom tax' ruling and the families he represents would be appealing the decision.
Mr Stein said on the steps of the Royal Courts of Justice: "Our clients are bitterly disappointed with today's decision, but they are not defeated.
"We, along with the other lawyers acting on behalf of adults with disabilities, will appeal this judgement and we remain confident that the discrimination which was recognised by the court and which has been perpetrated against our clients by this legislation is not justified and is unlawful."
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The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.