1. September 2023 – Death from overwork of a sergeant from the 12th Division Engineer Battalion 2. May 2022 – Death from overwork of a KTX train operator 3. April 2021 – Death from overwork of a security guard at a recycling center, Yangcheon District Office 4. April 2022 – Occupational disease case: hearing loss recognized as a work-related injury for a Korea Coast Guard officer