Dozens of protesters have set up camp outside the London Stock Exchange.
Protesters from 'Occupy London' have put up tents at Paternoster Square.
The camp was set up after today's annual May Day march in Central London.
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Charlie Alliston, 20, collided with HR consultant Kim Briggs, 44, at OId Street, central London in February last year.
The weapon was found by a member of the public in bushes in Greenford.
Production on the sixth film in the franchise, M:I 6: Mission Impossible, will be put on hold while he recovers.