A 16-year-old was sent to a Hamilton, Ont., hospital with critical injuries after a house fire in Thorold on Saturday morning, according to Niagara police.
Investigators say the teen was discovered inside a residence near Maitland and Colborne streets when the fire broke out sometime before 11 a.m.
A 70-year-old female was transported to a local hospital for minor injuries.
Niagara police and the Ontario Fire Marshall are investigating the incident.
National Fire Prevention Week