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Story summary
- A 15-year-old former pupil stabbed three adults, killing a caretaker, at Leszczydol-Nowiny primary school.
- The attack occurred around 8 a.m., injuring two other adults while about 90 children remained inside.
- Prime Minister Donald Tusk praised the caretaker’s bravery and urged action against school violence.
- Inspector Katarzyna Nowak said serious offenders are becoming younger across Europe, citing recent Polish cases.