2023 Nagano attack
| 2023 Nagano attack | |
|---|---|
| Location | Nakano, Nagano Prefecture, Japan |
| Coordinates | 36°44′19″N 138°20′32″E / 36.73861°N 138.34222°E |
| Date | May 25–26, 2023 4:26 p.m – 4:37 a.m JST (UTC+09:00) |
Attack type | Stabbing, mass shooting, shootout |
| Weapon | Long gun, knife |
| Deaths | 4 |
| Injured | 0 |
| Perpetrator | Masanori Aoki |
On 25 May 2023, a man killed four people in a shooting and stabbing attack in Nakano, Nagano Prefecture, Japan.