1995 terrorist attack by Japanese cult Aum Shinrikyo
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The Tokyo subway sarin attack (Japanese: 地下鉄サリン事件, Hepburn: Chikatetsu sarin jiken; lit. 'subway sarin incident') was a domestic chemical terrorist attack perpetrated on 20 March 1995, in Tokyo, Japan, by members of the Aum Shinrikyo cult. In five coordinated attacks, the perpetrators released sarin, a nerve agent, on three lines of the Tokyo Metro (then Teito Rapid Transit Authority) during rush hour, killing 14 people, severely injuring 50 (some of whom later died), and causing temporary vision problems for nearly 1,000 others. The attack was directed against trains passing through Kasumigaseki and Nagatachō, where the National Diet (Japanese parliament) is headquartered in Tokyo.
The group, led by Shoko Asahara, had already carried out several assassinations and terrorist attacks using sarin, including the Matsumoto sarin attack nine months earlier. They had also produced several other nerve agents, including VX for assassination attempts, and attempted to produce Bacillus anthracis and botulinum toxin for bioterrorism. Asahara had been made aware of a police raid scheduled for 22 March and had planned the Tokyo subway attack in order to hinder police investigations into the cult and perhaps spark the apocalypse the leader of the group had prophesied.
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