"Already the radioactivity from the crippled Fukushima nuclear plant has contaminated groundwater and seawater, the air and soil.

Now it has somehow seeped into sewage in dozens of treatment plants.

Radioactive caesium has been found in sewage sludge in treatment facilities from Hokkaido in the north to Osaka in the west, as well as in Tokyo.

So serious is the problem that Japan doesn't know where to put the growing pile of contaminated waste." ABC