A fire at CFB Wainwright in Alberta has resulted in numerous casualties. Authorities have deemed the incident as grave. The cause of the fire is under investigation. The incident occurred at a military base. Reports indicate several deaths and injuries. The Canadian Defence Minister has confirmed the deaths. The fire broke out at the Alberta military base resulting in multiple casualties. Canadian officials have said the incident was serious. Multiple casualties have been reported after a fire broke out at CFB Wainwright.