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Tsunehisa Katsumata (L), Ichiro Takekuro and Sakae Muto are found not guilty
More than eight years after the Fukushima nuclear disaster, a Japanese court has cleared three former executives of the firm operating the plant of professional negligence.
It was the only criminal case to arise out of the disaster, which was the worst since Chernobyl in 1986.
In 2011 a plant operated by Tokyo Electric Power (Tepco) was hit by a tsunami causing a triple meltdown.

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More than 470,000 were evacuated from their homes as a result.
Nearly 18,500 people died or are missing from the wider disaster.
The three former executives – ex-chairman, Tsunehisa Katsumata, 77, and vice-presidents Sakae Muto, 66 and Ichiro Takekuro, 71 – were indicted for failing to implement tsunami countermeasures leading to the deaths of 44 people.
Though no one died directly in the nuclear meltdown, more than 40 hospitalised patients died after having to be hastily rushed out of the evacuation zone.
Thirteen people were also injured in hydrogen explosions at the plant.
In the much anticipated verdict, a Tokyo court found all three men not guilty of professional negligence resulting in death and injury.
They were facing five years in prison if convicted.
Prosecutors had argued that the ex-employees should have understood the risk of a tsunami and failed to act on information that was available to them.
Dozens of protesters had gathered outside the Tokyo court ahead of the ruling.
“If we don’t hear guilty verdicts, our years-long efforts to bring this to court will not have been rewarded,” Saki Okawara, who travelled from the Fukushima region to hear the ruling told AFP.
“And Japanese society’s culture of no one taking responsibility will continue.”
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Fukushima’s nuclear reactors were overwhelmed by a massive tsunami in 2011
The trial, which started in June 2017, was conducted after a judicial panel ruled the three men should be put on trial which meant the prosecution had to pick up the case.
Prosecutors had twice declined to press criminal charges against the former executives, saying there was little chance of success.
The accident led to a complete shutdown of all nuclear reactors in the country. Despite widespread anti-nuclear sentiment, several reactors have since resumed operations after passing special safety checks.
Tepco is facing various legal cases seeking compensation over the disaster, after several workers developed illnesses after cleaning up the Fukushima plant.