Protesters taking part in the Million Mask March have spread from Trafalgar Square towards Westminster as well as down the Mall towards Buckingham Palace.
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An airliner carrying 147 passengers had to make an emergency landing after the pilot died during the flight.
Health Secretary Jeremy Hunt has been urged to apologise for suggesting tax credit cuts will make Britons work harder.
Tonight it'll stay wet across northern areas of Britain, with further showers pushing into the South West.