300,000 is a propaganda figure and no way near accurate. Newest figures by German commission indicate 25,000.
Gee, you sure it wasn't just a couple of thousand?
NEvertheless, they attacked with high explosives to bust open all the gas lines, and then came later with incendiaries to light that city up like a bonfire. The asphalt boiled and people on the street were consumed and then burst into flame from the intense heat.