London's Air-Ambulance became Britain's first emergency service to carry blood whenever they're called to an accident. Experience has shown that when soldiers have been seriously injured in battle, an immediate blood transfusion can increase their chances of survival.
Phil Bayles reports now on how the same pricinple will now be applied around the capital.
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The 2014 ceremony will take place at Wembley Arena on October 22, returning to the city where the awards started in 1996.
The warm weather means they seem to be everywhere. If that sends a shiver down your spine, here are some to tips to control them.