Three men have been found guilty at the Old Bailey of murdering young mother Sabrina Moss who was gunned down as she celebrated her 24th birthday.
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Its current five year licence comes to an end next Tuesday.
Extra armed police will guard major sporting events in London this weekend after the military was drafted in to protect key locations.
Damon Smith, 20, has been jailed at the Old Bailey for 15 years for planting a home-made bomb on a busy Tube train.