Almost a week after five-year-old Xavier Morgan died when he fell off his bike and into traffic while riding on the Martin Goodman Trail in Toronto's west end, officials have pledged to investigate the safety of the city's 300 kilometres of trails.

The death of a five-year-old riding his bike next to a high-traffic road has renewed a debate in Canada's largest city about measures to protect cyclists, prompting some experts and Toronto's mayor to call for further action.