Japan: Debris causing high radiation?
Japan eyes possible damage to spent nuclear fuel
Matt Smith, CNN
April 14, 2011 6:18 a.m. EDT
Concrete pumps head to nuclear plant
STORY HIGHLIGHTS
Samples show high radiation levels in unit 4's spent fuel pool
Japan says radioactive debris or damage to fuel rods may be to blame
Another vegetable ban lifted
link-
http://www.cnn.com/2011/WORLD/asiapcf/04/14/japan.nuclear.reactors/index.html?hpt=T2