Fukushima radiation worse than expected

This photo taken on August 6, 2013 shows local government officials and nuclear experts inspecting a facility to prevent seeping of contamination water into the sea at Tokyo Electric Power's (TEPCO) Fukushima Dai-ichi nuclear plant in Okuma, Fukushima prefecture.

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    Fukushima radiation worse than expected

Radiation levels near Fukushima's water storage tank are 18 times worse than thought. CNN's Paula Hancocks reports.