File photo of Shoko Asahara. The leader of the Aum Shinrikyo doomsday cult which carried out a deadly nerve gas attack on the Tokyo underground in 1995 has been executed. Tuesday marked the 23rd anniversary of Aum Shinrikyo’s sarin nerve gas attack on the Tokyo subway, which killed 13 people and caused illness among thousands of others. Japan media are reporting that six other Aum Shinrikyo members have also been executed. (Photo/Agencies)
Patients receive treatment in front of Tsukiji Station in Tokyo in this file photo taken on March 20, 1995, after a sarin gas attack by the Aum Shinrikyo cult group on the Tokyo subway system. (Photo/Agencies)
Doomsday cult Aum Shinrikyo followers chant in religious training before a portrait of guru Shoko Asahara at Aum's Adachi office in Tokyo where extensive facilities are located. (Photo/Agencies)
In the early hours of May 16, 1995, police raided the Aum Shinrikyo cult’s facilities in Kamikuishiki, Yamanashi Prefecture. At 9:45 a.m., cult founder Shoko Asahara, whose real name is Chizuo Matsumoto, was arrested and taken into custody. (Photo/Agencies)