Borussia Monchengladbach fans have reportedly been injured in attacks before their team's Europa League clash with Lazio.
The Bundesliga outfit bowed out of the competition after losing 2-0 in Rome, but three of their travelling supporter are believed to be in hospital being treated for stab wounds.
According to a report on Football Italia, a 50-year-old and 30-year-old were attacked not far from each other, while a third was outside the Hotel Hilton.
It is the second time this season that fans have been attacked on a visit to the Italian capital, following the violent scenes witnessed by Tottenham Hotspur fans.
Over 8,000 German fans were believed to have travelled to the game.