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In the school grounds, he stated that he intended to do something dangerous and planned to hurt someone. Interior Minister Marcin Kierwiński also reported that a seventeen-year-old was detained in the town of Sierpc, northwest of Warsaw, who allegedly "stated in the school grounds that he intended to do something dangerous and planned to hurt someone." #bezpečnost #škola #Polsko (translated)

"within the school premises that he intended to do something... dangerous – that he intended to hurt someone" The Minister of the Interior, Marcin Kierwiński, also stated that a 17-year-old teenager was detained in the town of Sierpc, northwest of Warsaw, after allegedly declaring "within the school premises that he intended to do something... dangerous – that he intended to hurt someone." #atacuri #siguranțașcolilor #Polonia (translated)

The court decided to place the 15-year-old who killed a caretaker in Leszczydół-Nowiny in a juvenile shelter for three months, and also detained a 17-year-old planning an attack in Sierpc and placed a 13-year-old who threatened a teacher in Koszalin under the supervision of a guardian. #BezpieczeństwoWszkołach #PrawoKarne #PrzemocWszkołach (translated)

The author of the profile praised the services in action, claiming they were reaching out to individuals suspected of making threats and detaining them without the law vetoed by the president. In response to the argument that the law was supposed to concern blocking content, he pointed to existing tools such as TERRG and Dyżurnet NASK. Among the police actions he described was the detention of a 17-year-old in Sierpc on October 7. According to the author, the teenager had warned his friends that he would do something bad at school; a bag containing two knives was found in his home, and searches related to planning an attack were found on his phone. He was to face charges of making criminal threats. On the same day in Józefów, a 14-year-old was detained who was said to have told his peers that he would bring a knife to school. The author stated that on October 8 in Przasnysz, a 17-year-old, the probable creator of a recording generated by AI, was detained. According to his description, the video announced an attack on a high school as part of what was referred to as a “bloody Friday” murder spree. Among the detentions on October 9, the author mentioned a 16-year-old from Szczytno who filmed and disseminated a video threatening an attack on specific people at school around 6 a.m. He also noted that in Pruszków, two 15-year-olds were detained after publishing a recording with life-threatening threats, and in Bemowo, a 13-year-old who posted a picture of a knife in a class group and threatened a student. According to the entry, in Mokotów, a 14-year-old was detained who had a knife with a hidden blade and 11 firecrackers on school grounds. The author added that the knife had an inscription calling for the death of individuals referred to by derogatory terms. In Mszczonów, a 15-year-old suspected of making life-threatening threats on social media was detained; a sharp tool was secured from him. The author also mentioned the detention of a 17-year-old from Ełk after a post threatening an attack on students and a 13-year-old from Płock, who had published a video threatening death against students from several schools in a closed group. The author noted that the photo accompanying the post depicted the detention of a 17-year-old in connection with threats of an attack at school. #Bezpieczeństwo #Policja #Przestępczość (translated)

Marcin Kierwinski, the Minister of the Interior, announced at a press conference on Thursday morning that a 17-year-old young man was also arrested on Wednesday morning for threatening to carry out an attack at a school in the city of Sierpc, located in another part of the Mazovia Voivodeship. #Lengyelország #iskolai_támadások #késelés (translated)

Marcin Kierwinski, the Hungarian interior minister, announced at a press conference on Thursday morning that a 17-year-old was also taken into custody on Wednesday morning for threatening to carry out an attack at a school in the city of Sierpc, located in another part of the Masovian Voivodeship. #késelés #iskolatámadás #Lengyelország (translated)

The author of the post pointed to three dramatic events in schools in Mazovia, which — as he wrote — took place within two days in Ostrołęka, Sierpc, and Wyszków. He emphasized that the causes of the attacks were not known, but the threats children are exposed to on the internet cannot be ignored. He added that the EU adopted the DSA to obligate platforms to better protect minors. The post ended with a mention of January 9. #Bezpieczeństwo #Dzieci #DSA #PL (translated)

Remiza.pl reported that on Wednesday, October 7th, police officers from Sierpc arrested a 17-year-old suspected of planning an attack at school. According to the portal, the teenager had previously told his peers about his intentions, and they informed a teacher. Two knives were found with the arrested individual. Remiza.pl assessed that the vigilance of the students and the quick response of the police helped prevent a potential tragedy. #policja #bezpieczeństwo #szkoła (translated)

The profile author of the Service in Action described a series of events in Polish schools. According to his entry, on September 22, 2026, in a primary school in Ptakach, an 11-year-old injured his classmate with an axe. Six days later, the police were to apprehend a 13-year-old in the morning who was planning an attack at a primary school in Książki in the Wąbrzeźno County. The boy had a 30-centimeter bayonet in his backpack and a meat cleaver at home; the attack did not occur. The author stated that on October 7 at the Vocational School Complex No. 4 in Ostrołęka, a 19-year-old student Jakub Z. attacked with a knife or machete during a lesson, injuring nine people: five students, two teachers, and two bystanders. According to the entry, he had a homemade explosive device in his backpack, and the police apprehended him near the school after he self-harmed. On the same day, the police were to apprehend a 17-year-old in the morning in Sierpc who announced an attack at a school. He had two knives with him, and on his phone, he was searching for information about the planned attack. In the description of the incident on October 8 at the Jan Paweł II Primary School in Leszczydole-Nowiny in the Wyszków County, the author wrote that a 15-year-old former student attacked three adults at the school entrance with knives: a caretaker, a teacher, and the principal. He added that the 37-year-old caretaker died despite resuscitation efforts, and the attacker was subdued by the principal. The author assessed that schools were facing a serious problem. He mentioned that some people blamed stress-free upbringing, while others pointed to early access to the Internet and age-inappropriate content. He asked what actions the Ministry of Education would take and what the Ministry of Internal Affairs and Administration would do to ensure the safety of students and teachers. #bezpieczeństwo #edukacja #przemoc (translated)

The police from Sierpc detained a 17-year-old who planned an attack at school, possessing two knives and seeking information online about carrying out such an act, and thanks to the quick reaction of a teacher and students, a tragic situation was prevented. #ataknożownika #bezpieczeństwo #szkoła (translated)