 Images posted on social media show flames spewing from scaffolding canopy near the top of the building, which is renowned due to its three towers spanning hundreds of years of architecture. The Gothic Cathedral is widely known as it was painted multiple times by French Impressionist painter Claude Monet in the 19th century. A fire has started on the spire of Rouen Cathedral. Original origin unknown at this stage. All public resources are mobilized, wrote the city's mayor.