More than 200 firefighters were on site, trying to control the flames. According to DW, Residents near the factory were advised to keep their windows and doors closed to protect themselves from fumes. German firefi ghters battled on Friday to control a fire that broke out at a metal technology factory in the southwest of the capital, Berlin.
Dark smoke rose from the complex, located in Berlin’s Lichterfelde neighborhood.
Firefighters said sulphuric acid and copper cyanide were stored at the plant, and when the chemicals ignited, hydrogen cyanide could have formed.
