A 91-year-old woman has died after falling and breaking her leg while shooing away nuisance seagulls.The heartbroken family of Margaret Davidson say they will never know how long she lay in pain before she was found and helped to her feet.Margaret, a retired barmaid died five days later on May 5 in hospital after developing pneumonia.She had gone to chase away the birds which had tore open bags of rubbish in search of food outside her window at her sheltered housing complex in Aberdeen.She broke her thigh bone in the fall and was later found collapsed and in great pain near the bins at Provost Hogg Court.Her devastated daughter Vi Alexander, who lives in Lumsden, Aberdeenshire, said she doesn't know how long the “very independent” pensioner