
Police arrested four teenagers for making threats on social media and planning attacks. More than 10,000 establishments were inspected throughout the country after the recent tragic events in Masovia.
AI-generated summary
On Wednesday and Thursday, two knife attacks took place in schools in Masovia, resulting in the death of one person and the injury of 12 others.
The capital police announced in the morning that a total of four teenagers had been arrested.
The first one took place in Pruszków. The local officers detained two 15-year-olds, residents of the Pruszków district, who allegedly posted a video on social media threatening to kill other people. "The authors of such recordings must face serious consequences," the police wrote.
He explained that he "did it out of stupidity"
Another arrest was carried out by police officers from the Nowe Bemowo police station in Warsaw. This is about a 13-year-old boy who allegedly posted a photo of a knife in a class messenger and threatened another student. The teenager explained that he "did it out of stupidity."
In turn, police officers from Józefów detained a 14-year-old who was planning to bring a knife to school and his behavior could have endangered the safety of other people. "The reaction followed a report from another student. The fate of the teenager will be decided by the family court," the officers wrote.
Tragic result of attacks in schools - one person dead, 12 injured
On Wednesday and Thursday, two tragic events took place in schools in Mazovia. On Thursday, at the primary school in Leszczydole-Nowiny, a 15-year-old attacked three people with a knife - one of the women died. The day before, at the Vocational School Complex No. 4 in Ostrołęka, a 19-year-old attacked 9 people with a knife. The boy also had a backpack with him containing homemade explosives.
Due to recent events, today some educational institutions in the province Masovian Voivodeship is closed, police and city guard patrols have appeared at schools.
Police: There is no indication of a challenge yet
After these events, the police themselves announced that they were checking reports about an alleged online challenge regarding knife attacks on schools.
"We would like to inform you that so far there is no indication that such an event has actually taken place," the Polish police reported on the X website this morning.
A total of 10 people were detained, 10 thousand inspected establishments
So far, the police have inspected over 10,000 establishments. They detained 10 people across the country, most of whom will be held responsible for making criminal threats.
"We would like to remind you: any announcement of triggering an alarm or committing a crime carries serious legal consequences," the police emphasizes in an entry on the X platform.
"We appeal for restraint in disseminating unverified information and to counteract disinformation, relying only on facts and avoiding duplicating unverified reports," the police add.
AI outlook — possibilities, not facts
The family court will decide on the fate of the detained teenagers.
Very likely · Within days

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On Wednesday morning, a high school student attacked 9 people at his school with a knife - 5 students, 2 teachers and 2 bystanders. The injured were taken to hospitals in Łomża and Ostrołęka, their lives are not in danger. The attacker entered the school with a backpack containing a homemade explosive device, which he left in the computer room. When smoke started coming out of the backpack, one of the people threw it out the window. Jakub Z. was detained after several dozen minutes near the city beach, about 400-500 meters from the school. He was injured - he probably self-harmed and was taken to hospital and then taken to a police cell.

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A series of knife attacks in schools in Ostrołęka and Leszczydole-Nowiny and thwarted attempts in Sierpc and Wąbrzeźno prompted the police to investigate the connection between the events and online challenges. A 37-year-old school employee died in Leszczydole-Nowiny.