Chemical Fire Under Investigation News | August 18, 2024 | 0 | by Morgan McCarthy One person is reported injured following a chemical fire in Chippewa Falls. The fire happened Saturday around noon at TTM Technologies and Chippewa Falls Police say all employees were evacuated. Area roads were closed for about two hours due to the risk of hazardous chemicals. No chemical leaks were found after inspections by emergency services. CLICK HERE To see the posting on social media.