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Today in History: Aum Shinrikyo sarin attack kills eight in Matsumoto

6/27/2026

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Summary

Story summary

On the night of June 27 1994, Aum Shinrikyo members drove a refrigerated truck into Matsumoto’s Kaichi Heights, sprayed sarin aerosol, and killed eight residents while injuring over 500. The attack marked the cult’s first large-scale chemical assault, foreshadowing the 1995 Tokyo subway sarin bombing.

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Story summary

On the night of June 27 1994, Aum Shinrikyo members drove a refrigerated truck into Matsumoto’s Kaichi Heights, sprayed sarin aerosol, and killed eight residents while injuring over 500. The attack marked the cult’s first large-scale chemical assault, foreshadowing the 1995 Tokyo subway sarin bombing.