A six-year-old boy has died after drowning in the Rideau River near Mooney's Bay Beach in Ottawa, prompting renewed water safety warnings ahead of the summer season. CTV's Tyler Fleming reports that Marc Antoine Deschamps of the Ottawa Paramedic Service says bystanders pulled the child from the water and began CPR before paramedics and Ottawa firefighters continued resuscitation efforts during transport to hospital. Sean Duffy, vice-president of management training at the Lifesaving Society,