Quebec City police are looking for help in finding 15-year-old Charles-William Rodrigue.
The teen was last seen in Quebec on Oct. 24.
According to information obtained by investigators, Rodrigue's life could be in danger.
A news release from the authorities says the young man could be in downtown Montreal near Berri-UQAM, Beaudry or Papineau metro stations.
Rodrigue is five feet nine inches tall and weighs about 126 pounds. He has brown hair and green eyes.
Anyone with information on his whereabouts is asked to dial 1-888-641-2447.