Police boost presence and detain 17-year-old after 'Bloody Friday' threat to Polish schools

AI Summary

Polish police are increasing their presence at schools and have detained a 17-year-old amid online warnings of planned attacks on 9 October. Some schools in towns in the Mazovia region have cancelled in-person classes, while authorities monitor locations considered at risk.

Warnings about an alleged series of attacks on schools planned for 9 October have circulated on social media. Police say they are monitoring the situation and will deploy officers to schools they believe are at risk. In several towns in the Mazovia region, on-site classes have been cancelled.