Hundreds of people have staged a protest in Trafalgar Square against changes to the benefits system.
The so called bedroom tax, which is due to be introduced next month, would see welfare payments deducted from households judged to have extra rooms.
The changes mean that around 80,000 will lose an average of £771 each.
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Cliff's friend, Cilla Black said the singer decided to sell his apartment in the wake of the police raid.
Experts also believe Londoners will inhabit ultra-deep basements and buildings with their own complex micro-climates.
Dry and cool night with clear spells tonight. Lows of 3C.