<pDozens of Russian soccerItalyAdd Interest<pFootage shared on social media showed a packed down-escalator stair hurtling at alarming speed, causing a mound of people to crash at the bottom.
<pItalian news agency ANSA reported that the most serious injury was to a young man whose foot was so badly mangled he was at risk of amputation, and six more are in serious condition.
<pPictures of the aftermath showed the escalator stairs crumpled at the bottom, leaving jagged and exposed metal plates in a spot where the pile of people crashed into each other.
<pAt the time, hundreds of soccer fans were traveling to a Champions League match between Italian and Russian teams playing in the group stages.
<pWitnesses provided conflicting reports of travelers on the escalator singing and dancing or jumping, although some have told Italian media there was no jumping.
<pRoman authorities have opened an investigation into the accident. The BBC reports that the local transport authority, Atac , has said monthly checks are carried out on transport infrastructure including escalators.