People evacuated in Japan
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Powerful Typhoon Roke hits disaster-ravaged Japan

A powerful typhoon has struck disaster-ravaged Japan, bringing heavy rains and floods that have killed four people.

Typhoon Roke is on course to hit Fukushima, where engineers are still struggling to bring a nuclear plant under control after the March tsunami.

There are concerns that rain could force radioactive water into the sea.

Roland Buerk reports.

Footage courtesy of TV Osaka

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