DISTRESSING footage circulating this afternoon appears to show Roma fans being beaten with truncheons by riot police.
Jose Mourinho's side take on Lazio this afternoon in a crucial Rome derby.
Police confronted fans on the streets of RomeCredit: EPACops wielded truncheons as they patrolled the streetsCredit: APPrior to the match, clips emerged on social media of confrontations between Roma supporters and police.
Some videos show fans being whacked by cops, while flares were also thrown,
Two New York cops stabbed during celebrations in Times SquareOne Ultras account tweeted a video while recounting their impression of what happened.
They wrote: "Tensions between #ultras of #Roma and the Police, before the match.
"An injured policeman in Piazza Mancini.
"At the obelisk, a group #CurvaNord #Lazio attempted to make contact with the #romanisti , after leaving the Ponte Milvio. Police action."
Italian football has already been hit with ugly confrontations between fans and police this week.
Napoli's Champions League clash with Eintracht Frankfurt saw cars set alight and cops reportedly attacked.
Flares were thrown by fansCredit: APIt was claimed that travelling Frankfurt fans were responsible for causing the chaos.
The scenes saw 800 cops deployed on the streets, with a reported 300 fans causing mayhem and resorting to violence.
This afternoon's Rome derby could have a huge say on determining where both teams finish in the Serie A table.
Maurizio Sarri's Lazio go into the match third - two points above their fifth-placed fierce rivals.
At least nine killed after New Year's Day stampede at shopping centre Cops attempted to gain control outside the Stadio OlimpicoCredit: EPA