A Canadian girl with cerebral palsy is being called a hero for saving her little brother from drowning in the backyard pool.Lexie Comeau-Drisdelle, nine, from Nova Scotia, alerted her mother when her 18-month-old sibling slipped outside and fell into the water.The young girl, who uses a wheelchair and is unable to speak, shouted and pointed to get her mother's attention.She has since been honoured by Halifax's regional council for the act.Ms Comeau-Drisdelle's mother, Kelly Comeau-Jackson, told Global News that her daughter saved her brother's life.