Andrew Stevens discusses why Japanese authorities have introduced measures to curb rowdy behaviour at Halloween in Tokyo's Shibuya district.
A mayoral edict against so-called "Nuisance Halloween" has led to strict measures, including a public drinking ban, to curb rowdy behaviour.
Japan's new prime minister, Sanae Takaichi, emphasizes tighter control of public space and activities, citing the need for a "strict response to law-breaking foreigners".
A decade ago, Halloween in Shibuya showcased "Cool Japan", a state-sponsored initiative to promote Japanese culture internationally.
Author's summary: Tokyo restricts Halloween celebrations.