Martin Stew has been to investigate how one of London's ice rinks is managing to keep its cool in one of the mildest autumns in living memory.
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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.