Mary Beatrice Chainey ( aged 18 ) dashed through a wall of flame and snatched her six year old sister Yvonne Violet Chainey from a blazing bed when fire broke out at their home in Cornwall Road in Brixton Hill - both the girls are in hospital with severe burns - the fire was discovered by Mary who rushed upstairs and found her sister's bedroom in flames - photo shows Mary Beatrice Chainey the 18 year old girl heroine October 2nd 1934