Merseyside Police have arrested two men on suspicion of attempted murder after a Liverpool supporter was seriously injured before the Champions League game with Roma at Anfield on Tuesday night.
The incident occured outside the Albert Pub, where fans were gathering ahead of kick-off, and has left a 53-year-old man in a criticial condition in hospital.
A 25-year-old and 26-year-old - both from Rome - have been arrested after police launched an operation to track down the assailants.
Liverpool Football Club said it was "shocked and appalled" by the incident and urged fans and those who attended the game to help Merseyside Police with their appeal for information.