Overview
- The locomotive derailed at 03:35 local time on the Kiziterinka–Protochny section in Rostov-on-Don.
- Approximately 20 long-distance services and five suburban trains were delayed for up to four hours.
- No injuries were reported, according to the North Caucasus Railway branch of Russian Railways.
- Train movement was redirected to an adjacent track while restoration work continued at the scene.
- The Southern Transport Prosecutor's Office opened a check with Deputy Rostov transport prosecutor Yaroslav Vuychich on site as causes and circumstances are established.