A youth is facing multiple charges for allegedly starting a small fire at a Cambridge high school earlier this week.

Local police and firefighters were called to Preston High School at 1:10 p.m. on Monday following a small fire in a rear stairwell of the school. The blaze was extinguished by the school's sprinkler system.

Staff and students were able to safely evacuate the school, however, one staff member was taken to hospital to be treated for possible smoke inhalation.

On Friday, police said a suspect has been identified and charged with arson — disregard for human life, as well as additional charges relating to the terms of the youth's release.

The young person charged cannot be identified under the Youth Criminal Justice Act.

The cause of the fire has not yet been determined. Anyone with information is asked to call police at 519-653-7700, ext. 2299.