Yestino - The Signal · Bloody Fridayhttps://yestino.com/zh-CN/entities/bloody-friday-90e5ed与 Bloody Friday 相关的全部事件zh-CNPolice boost presence and detain 17-year-old after 'Bloody Friday' threat to Polish schoolshttps://yestino.com/zh-CN/events/police-boost-presence-and-detain-17-year-old-after-bloody-fr-af3701https://yestino.com/zh-CN/events/police-boost-presence-and-detain-17-year-old-after-bloody-fr-af3701Fri, 09 Oct 2026 04:28:39 GMTWarnings about an alleged series of attacks on schools planned for 9 October have circulated on social media. 来源：Euronews