Following two school stabbing attacks in Ostroleka and Leszczydol-Nowiny that left one dead and twelve injured, Polish authorities deployed 24,000 police officers to 15,000 schools on October 9, 2026. Polish police detained 19 young people for online threats and closed 59 schools in the Mazowsze region while investigating rumors of an online 'Bloody Friday' attack challenge. Government officials warned that Russia could leverage online panic.
Stabbing attacks at Polish schools
- ▪On October 8, 2026, a 15-year-old former pupil wearing a helmet-mounted camera killed one employee and injured two others at a primary school in Leszczydol-Nowiny, Poland
- ▪On October 7, 2026, a 19-year-old wounded ten people, including himself, in a school stabbing spree in Ostroleka, Poland
Fears and investigations of online school threats
- ▪Social media talk in Poland raised fears of an online challenge causing a 'Bloody Friday' school bloodbath on October 9, 2026, but police investigations found no evidence of such a challenge
- ▪Polish Defence Minister Wladyslaw Kosiniak-Kamysz suggested that Russia could use online school threat rumors to sow panic, an accusation of Western destabilization that Russia has repeatedly denied
- ▪Polish officials warned on October 9, 2026, that online misinformation circulating after the recent school stabbings in Ostroleka and Leszczydol-Nowiny could inspire copycat attacks
Investigation of Leszczydol-Nowiny attacker's TikTok
- ▪Polish Central Bureau for Combating Cybercrime officers investigated a TikTok account allegedly belonging to the Leszczydol-Nowiny attacker that featured images posted shortly before the October 8, 2026 attack
- ▪The Polish Central Bureau for Combating Cybercrime stated on October 9, 2026, that TikTok was cooperating with officers investigating the account of the 15-year-old attacker who struck a Leszczydol-Nowiny school
Government response and school closures
- ▪Polish authorities deployed 24,000 police officers to visit 15,000 schools nationwide on October 9, 2026, to reassure students following school stabbing sprees in Ostroleka and Leszczydol-Nowiny
- ▪Polish Education Minister Barbara Nowacka announced that 59 schools were closed on October 9, 2026, primarily in the Mazowsze region where the recent Ostroleka and Leszczydol-Nowiny stabbing attacks occurred
Detentions of minors making online threats
- ▪Polish police detained two 15-year-olds from Pruszkow County on October 9, 2026, after they posted a video online containing threats to kill
- ▪By midday on October 9, 2026, Polish police had detained 19 young people, primarily for making violent threats online, including a 13-year-old, a 14-year-old carrying a knife and firecrackers, and two 15-year-olds
Debatable claims
- ▪Russian disinformation is the primary cause of panic surrounding Polish school threats
- ▪Deploying thousands of police to Polish schools was a proportional response to threat rumors
- ▪Detaining Polish teenagers for online threat posts is justified by the risk of copycat attacks
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