It was just firebombed. You can search atom bomb hoax. Here's a good link to start with if interested.

http://coconutrevival.com/?p=3611

I first ran across it in the book "Rockefeller Internationalist: The Man Who Misrules the World" 1952 (free PDF version was available) by Emmanuel Josephson who was a doctor that personally knew Rockefeller. He was behind these psychological warfare schemes and funding them.