Sampling of aquatic animals near the Fukushima Daiichi site has revealed various levels of contamination - and focused attention on one outlying result.
Another substantial part of the evacuation area in Fukushima prefecture has been recategorised, with most of Iitate village subject to conditional returns from tomorrow.
Tepco has published further measurements showing that the used fuel pool at the damaged reactor building of unit 4 at Fukushima Daiichi is not tilting and would be able to withstand a large earthquake.