Family of Sydney mum Leah Stewart say they are ‘shocked’ and reveal more surgeries scheduled in coming days The woman injured in Saturday’s shark attack at Coogee beach has had her arm amputated and remains in a critical condition, her family has revealed. Leah Stewart, a 35-year-old schoolteacher, mother and dedicated ocean swimmer, was attacked by a suspected 3.5-metre great white shark at about 11am on Saturday. Authorities have said she was swimming between the flags and “doing everything right” at the time of the attack.