Remote control device had miniscule levels of radioactive substance . Follows protests over plans to restart two nuclear reactors . Fears over nuclear policy stem from Fukushima disaster after tsunami . Comment:
Remote control device had miniscule levels of radioactive substance . Follows protests over plans to restart two nuclear reactors . Fears over nuclear policy stem from Fukushima disaster after tsunami . Prime Minister Shinzo Abe was not in residence at the time .