There were five metro lines where the gas was released. The location here is the Shin-Ochanomizu Station where Ikuo Hayashi punctured one of his bags of sarin gas.
Description
Sarin gas attack on the Tokyo subway
The Sarin attack on the Tokyo subway, usually referred to in the Japanese media as the Subway Sarin Incident(地下鉄サリン事件,Chikatetsu Sarin Jiken), was an act of domestic terrorism perpetrated by members of Aum Shinrikyo on March 20, 1995.