An explosion at a nuclear power plant on Japan's devastated coast destroyed a building today and made leaking radiation the central threat menacing a nation just beginning to grasp the scale of a catastrophic earthquake and tsunami.

Mohamed ElBaradei and the International Atomic Energy Agency were accepting the Nobel Peace Prize today at a time when fears of nuclear attacks, possibly by terrorists, were as great as ever.

MOHAMED ELBARADEI and the International Atomic Energy Agency that he heads won the 2005 Nobel Peace Prize yesterday for their efforts to stop the spread of nuclear weapons.