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Drone helps Fukushima clean-up

9 July 2014 Last updated at 23:39 BST

Scientists at the University of Bristol have successfully mapped radiation levels around a Japanese power station using a drone.

They claim it is the safest way to monitor levels after the tsunami triggered a nuclear disaster at Fukushima in 2011.

Helicopters and other monitors have been doing similar tests but none have been able to get close enough to compile a comprehensive profile.

Michelle Ruminski reports.

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