"when firefighters arrived the fire was already fully developed" in German When firefighters arrived the fire was already fully developed. Als die Feuerwehr eintraf, stand das Gebäude bereits in Vollbrand. Detailed translations for "when firefighters arrived the fire was already fully developed" When firefighters arrived the fire was already fully developed. When firefighters arrived the fire was already fully developed.(also: When firefighters arrived they found the fire had fully developed blaze.) Als die Feuerwehr eintraf, stand das Gebäude bereits in Vollbrand.