Multiple arrests were made following a fight between Leicester City and Napoli fans prior to their Europa League tie.
Police said eight Napoli fans and a 27-year-old man from Leicester were arrested after a street fight near King Power Stadium on Thursday, with everyone still in custody.
A 39-year-old man from Italy was also arrested on suspicion of racially abusing a taxi driver.
Leicestershire police said the man was “dealt with through a community resolution.”
In addition, a 36-year-old man from Anstey was questioned on suspicion of racially aggravated public order, but was subsequently released without further action.
The force added fans from both clubs who threw objects at each other near the end of the match.
Leicestershire Police said no further arrests were made, however investigations into the disorder are underway ahead of full time.
The group stage meeting ended 2-2 after host Leicester had previously led their Serie A opponents 2-0.