https://www.nytimes.com/2006/10/17/world/asia/17diplo.html
North Korean Fuel Identified as Plutonium
Ng Han Guan/Associated Press
By THOM SHANKER and DAVID E. SANGER
Published : October 17, 2006
WASHINGTON, Oct. 16 - American intelligence
agencies have concluded that North Korea’s test
explosion last week was powered by plutonium that
North Korea harvested from its small nuclear
reactor, according to officials who have reviewed
the results of (...)