The new helipad - London's second and the first in South London - will support air ambulances bringing the most seriously injured casualties for emergency treatment at St George's, which provides the Major Trauma Centre for the South West London and Surrey Trauma Network.
Heather Jarman, Clinical Director for Major Trauma at St George's Hospital told us which patients will benefit from the new helipad.
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Handyman Paul Thrower died after two 18-year-olds hacked at him with a 4ft long axe and stabbed him 10 times at a block of flats.
The 34-year-old victim was left with a huge gash across her nose and face. Police need to find a man seen on CCTV.
The girl was travelling on a train from London Liverpool Street to Romford in Essex after going to see the poppies at the Tower Of London.