Knife attack at Polish abbey kills priest, injures four

A 31-year-old Ukrainian national carried out a knife attack at a Benedictine abbey in Jarosław, Poland, on September 24, 2026, killing Father Stanisław and injuring four others. The suspect, who entered Poland from Germany, was arrested at the scene. Polish Prime Minister Donald Tusk and Ukrainian President Volodymyr Zelenskyy strongly condemned the attack, calling for full legal accountability amid rising social tensions.

The attack and arrest of the suspect

• ▪Polish police detained a 31-year-old Ukrainian citizen at the scene of the Jarosław abbey stabbing on September 24, 2026
• ▪A 31-year-old Ukrainian national carried out a knife attack against clergy and worshippers at a Benedictine abbey in Jarosław, Poland, on the morning of September 24, 2026

Casualties of the abbey attack

• ▪Of the five victims stabbed at the Benedictine abbey in Jarosław on September 24, 2026, three were clergy members and two were laypeople, with two survivors left in critical, life-threatening condition
• ▪A knife attack at the Benedictine abbey in Jarosław on September 24, 2026, killed Father Stanisław and injured four other people, including Father Marek, who was left in serious condition

Polish government response

• ▪Polish Prime Minister Donald Tusk and Interior Minister Marcin Kierwiński declared that the perpetrator of the September 24, 2026, Jarosław abbey attack would be punished with the full severity of Polish law
• ▪Polish Interior Minister Marcin Kierwiński announced on September 24, 2026, that psychological support was being provided to those affected by the September 24, 2026, Jarosław abbey attack

Local response in Jarosław

• ▪The mayor of Jarosław, Marcin Nazarewicz, declared a period of official mourning in the town until the end of the week following the September 24, 2026, Benedictine abbey attack
• ▪Sister Barbara Dendor of the Benedictine Sisters' monastery reported that young people who witnessed the September 24, 2026, Jarosław abbey attack were in total panic

Reaction from Ukrainian officials

• ▪Ukrainian President Volodymyr Zelenskyy denounced the Jarosław abbey stabbing as a horrific crime and called for a quick, thorough investigation to ensure the perpetrator bears full legal responsibility
• ▪The Ukrainian embassy in Poland condemned the September 24 knife attack at the Benedictine abbey in Jarosław, urging mutual support and warning against allowing the pain of the attack to escalate into hatred or new violence

Debatable claims

• ▪Poland should reintroduce border checks with EU neighbors to monitor transit
• ▪The Jarosław abbey attack justifies stricter security screening for Ukrainians entering Poland
• ▪Publicizing the nationality of Ukrainian crime suspects in Poland does more harm than good