A Japanese fishing boat works the sea not far from the crippled Fukushima nuclear plant.<br/> <br />There are increasing fears, though, that marine life here could be contaminated with radiation.<br/> <br />South Korea on Friday added its voice to those concerns - banning seafood imports from eight Japanese prefectures, including Fukushima.<br/> <br />The decision comes after revelations that hundreds of tonnes of radioactive water are leaking into the sea every day.<br/> <br />"It is unclear how the Japanese crisis will progress and it will be difficult to precisely predict the future risk," said a spokesman.<br/> <br />Japan, though, dismissed those concerns, saying inspections have been stepped up and the country's fish is safe to eat.<br/> <br />"Since the nuclear accident, we're adopting the world's highest level of safety standards and implementing strict inspections," said a spokesman.<br/> <br />The Fukushima plant was hammered by an earthquake and tsunami in 2011 that trigged the worst nuclear meltdown since Ch