Police have arrested a total of 587 people following an operation to catch thieves who target Londoners' valuables like mobiles and cash.
More than 7,500 officers carried out raids across the capital yesterday.
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If approved the increase would trigger a county-wide referendum.
Martin Gallagher was in Euston station when he saw Grace Georgina crying - she had lost her ticket and was unable to get home to Liverpool.
Always bound to raise a few eyebrows, the fourth plinth in Trafalgar square is one of the capital's most famous places to display artwork.