An escalator has collapsed at a metro station in Rome leaving several people injured, some of them seriously, Italian media report.
The incident at the Repubblica station involved fans from visiting Russian football team CSKA, the reports say.
Footage on social media shows people piling up at the bottom of an escalator as it rapidly descends.
Emergency services are at the scene and the station has been closed, Italian news agency Ansa reported.
A photograph from the scene was posted on Twitter by the fire and rescue service.
Ansa said at least 10 people had been badly hurt, most of them suffering leg injuries.