As per reports, on Monday (24 November), a bomb threat was received targeting a high school in Nowon‑gu, Seoul, stating that an explosive would be detonated. Authorities were alerted, after which the Nowon Police Station was immediately dispatched to investigate. The threat was made via a social media post.

In response, the local police conducted the search and confirmed that no explosives were present. The High School nonetheless carried out a mock evacuation drill to ensure the safety of students and faculty and to prepare for potential future incidents.