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Story summary
- A 15-year-old pupil killed a caretaker and injured two staff at Leszczydol-Nowiny primary school.
- He wore a helmet-mounted camera, leading Prime Minister Donald Tusk to label the attack extraordinary.
- Tusk ordered daily police visits to schools to prevent further attacks.
- Police detained a 17-year-old in Sierpc with two knives after finding online attack searches.
- A 19-year-old wounded ten people, including himself, at an Ostroleka school the day before.