The crisis at the Fukushima nuclear plant was "a profoundly man-made disaster", a Japanese parliamentary panel has said in a report.
The disaster "could and should have been foreseen and prevented" and its effects "mitigated by a more effective human response", it said.
The report catalogued serious deficiencies in both the government and plant operator Tepco's response.
It also blamed cultural conventions and a reluctance to question authority.
BBC News - Japan panel: Fukushima nuclear disaster 'man-made'