Japan hangs 7 members of doomsday cult that attacked subway with sarin

Asahara, 63, a pudgy, partially blind yoga instructor, was sentenced to hang in 2004 on 13 charges, including the subway gas attacks and other crimes that killed at least a dozen people.

He pleaded not guilty and never testified, but muttered and made incoherent remarks in court during the eight years of his trial. The sentence was upheld by the Supreme Court in 2006.

In all, 13 cult members were sentenced to death during more than 20 years of trials, which came to an end in January 2018.

Asahara, who founded Aum in 1987, said that the United States would attack Japan and turn it into a nuclear wasteland. He also said he had travelled forward in time to 2006 and talked to people then about what World War Three had been like.

At its peak, the cult had at least 10,000 members in Japan and overseas, including graduates of some of Japan's top universities.

Some members lived in a commune-like complex Asahara established at the foot of Mount Fuji, where the group studied his teachings, practised bizarre rituals and gathered an arsenal of weapons - including sarin.

The cult also used sarin in 1994, releasing the gas in the central city of Matsumoto on a summer night in an attempt to kill three judges set to rule on it.

That attack, which involved a refrigerator truck releasing the gas to be dispersed by the wind through a neighbourhood, failed to kill the judges but killed eight other people and injured hundreds.