Overview

• On Monday evening, nitrous gases escaped inside a hall at an industrial site in Kirchheim’s Heimstetten area, producing a yellow smoke cloud.
• Emergency crews mounted a large response, cordoned off the area, and used warning apps to urge residents to keep windows and doors closed.
• The fire department reported stopping the chemical reaction after roughly two and a half hours.
• A second yellow cloud formed during the subsequent firefighting operations, according to officials.
• Authorities have not identified the cause of the incident, and follow-up investigation is underway.