St. Louis investigators probe suspicious house fire with hazardous materials, evacuating nearby homes on Lake Constance Drive.

Investigators from the St. Louis Regional Bomb and Arson Unit are probing a suspicious house fire that broke out around 12:30 a.m. Friday on Lake Constance Drive in St. Louis County. The fire was extinguished, revealing hazardous materials inside the home. The homeowner was not present, and no injuries were reported. As a precaution, four nearby homes were evacuated. The situation remains under investigation, with updates anticipated.