One person died in school attack, Polish police says

‌A 37-year-old ​woman ‌died as a result of a school ‌attack in ‌Poland, police said on ⁠Thursday, after ​reporting ⁠earlier that ⁠three adults were ​injured in an attack "with ⁠a sharp ⁠object" ​in central ⁠Poland and a ⁠15-year-old was ⁠detained.