A jury has heard a harrowing first-hand account of onlookers trying to help a seven-year-old girl after she was stabbed in a Bolton park.Emily Jones died after she was fatally attacked by Eltiona Skana, 30, who grabbed her and slashed her neck with a craft knife while the child was riding her scooter towards her mother, a trial at Manchester Minshull Street Crown Court has been told.Skana, who has been diagnosed with paranoid schizophrenia, has denied murdering the youngster in Queen's Park on