Disturbing post under the article, author detained

Police in Ostrołęka acted on a concerning online comment threatening to set a building on fire. They identified and arrested a 34-year-old local man who confessed to making the threat. The case is under the supervision of the prosecutor's office. Authorities remind the public that online anonymity is not guaranteed and that online threats can lead to legal consequences.

Fact-check this story: paste the text or link into Justifact and get a verdict with the sources consulted.