MarketsChina, Hong Kong ban over $600 million in Japanese seafood imports as Fukushima's treated radioactive water released into oceanThe markets, Japan's biggest, are wary of government claims that the water is safe.A Tokyo Electric Power Co. employee wearing a protective suit and a mask uses uses a survey meter at the Fukushima Dai-ichi nuclear power plant in 2013.Photo: BloombergRachel Mutter