The French civil defence and crisis management agency have dismissed President Trump’s earlier suggestion that flying water tankers could put the fire out. “The drop of water by air on this type of building could result in the collapse of the entire structure along with the fire fighers who are currently doing their best to save Notre Dame,” it tweeted. https://www.theguardian.com/world/live/2019/apr/15/notre-dame-cathedral-fire-paris-france-landmark-live-news