The Joker thing...becoming a trend now. Kiyoshi Miyake, 69, from Fukuoka was arrested at the scene, they said.
https://www3.nhk.or.jp/nhkworld/en/news/20211108_15/
https://www.japantimes.co.jp/news/2021/ ... kagoshima/
https://www.nippon.com/en/news/yjj2021110800306/
Arrested after Setting Fire on Kyushu Shinkansen Train