Fukushima: 1km long wall of ice to be built around reactors
3 September 2013 Last updated at 16:10 BST
Japan is to invest hundreds of millions of dollars into building a frozen wall around the Fukushima nuclear plant to stop leaks of radioactive water.
Government spokesman Yoshihide Suga said an estimated 47bn yen ($473m, £304m) would be allocated.
The plant was crippled by the 2011 earthquake and tsunami.
Charles Scanlon reports.