Overview

• The incident occurred on October 1 in the sports-hall changing room at MAOU Lyceum No. 159.
• Twelve students from a 5th-grade class reported feeling unwell, including difficulty breathing.
• Ambulance crews provided on-site care and transported the pupils to a healthcare institution.
• The Leninsky District Prosecutor's Office launched a formal check after the calls for medical assistance.
• Authorities have not identified a cause and describe the reported information as preliminary.