Japan is planning to revise its nuclear safety rules to prevent a repeat of the Fukushima disaster.
The government plans to replace current regulator, the Nuclear and Industry Safety Agency, with an independent body.
The NSA has been criticised by legislators for failing to force the plant’s operators to take note of warnings that it was vulnerable to a tsunami.
The plant’s power was knocked out three months ago when it was struck by a tsunami wave.
A 20-kilometre exclusion zone remains in force, displacing at least 80,000 people.
Authorities are mulling over whether to extend the zone after the NSA said yesterday that the amount of radiation released was double its previous estimate.
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