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.
More top news
The toddler was taken to hospital along with two girls, aged five and six, and a woman who was also injured.
London's smallest pub is set to start pulling its first pints in a shed in Greenwich.
A controlled explosion was carried out after officers were called earlier today to north Greenwich.