London Assembly Member Andrew Dismore launched a report today on how to boost the capital's flagging high streets.
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The killer's solicitor has written to police challenging them to prove his confession.
Tottenham last won the league back in 1961 - but they are feeling confident after a string of great performances this year so far.
Crimestoppers are offering the reward as police say they are becoming increasingly concerned at the viciousness of the assaults.