Sierpc: 17-year-old with knives planned attack on same day as Ostrołęka

On October 7, the same day 19-year-old Jakub Z. wounded nine people in Ostrołęka, another concerning incident occurred in Masovia. Police in Sierpc detained a 17-year-old who was carrying two knives and planning his own violent attack. The Interior Ministry chief said materials related to organizing bloody events were found on the teenager's electronic devices.