At least seven people have died and dozens more injured after a fire broke out at the Wainwright military base in Alberta, Canada. Authorities are remaining tight-lipped about the incident, but sources indicate a gas explosion occurred during a training exercise. The full extent of the damage and the number of casualties are still being assessed. Emergency services are currently on the scene at the Wainwright base, providing aid and investigating the cause of the explosion. The Canadian military has launched an investigation into the incident, focusing on safety protocols during training exercises. Further details are expected to be released as the situation unfolds at the Wainwright installation.