Phosphorus bombs: What you should know about Russia’s alleged use

According to Dan Kaszeta, an associate fellow at the Royal United Services Institute, this is why phosphor remains “one of the fastest ways to make highly dense and effective smoke screens.” White phosphorus munitions have been in the “arsenal of most major armies over the last century”, he said. “The issue with white phosphorous is that it makes its smoke through burning. They burn extremely hot, and are difficult to extinguish,” said Kaszeta.