Prime Minister David Cameron has been in Cambridge to announce a £100 million investment in DNA mapping for cancer and rare diseases.
Eventually its hoped doctors could use the information to develop bespoke drug treatments for patients based on their own DNA
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It will stay cold this weekend with further wintry showers at times.
Icy stretches will form tonight as temperatures drop and wintry showers develop later.
A woman has been banned from keeping all animals for three years after admitting neglecting her cat and four kittens - two of whom died.