Reclusive Japanese man killed by father who feared he might run amok

Tokyo metropolitan police said they arrested Hideaki Kumazawa, 76, on Saturday for attempted murder for allegedly stabbing his son with a knife. On Monday, media said he was now a murder suspect after the man died.

National broadcaster NHK said Kumazawa, a former envoy to the Czech Republic, told investigators his alarm over his son was provoked by news last week of a knife-wielding man who slashed at a group of schoolgirls, killing two and injuring 17.

The suspect in that incident was also middle-aged and rarely left the house where he lived with his elderly aunt and uncle. He killed himself soon after the stabbings.

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