The men had been drinking in the Flann O’Brien pub ahead of Thursday’s Europa League match against Lazio. Both fans are understood to have been stabbed in the leg but their injuries are not thought to be life-threatening. One of them has since been released from hospital following treatment. Police said an investigation was ongoing. Tensions were high after warnings that Lazio fans wanted revenge for a controversial banner unfurled by Celtic fans at a match in Glasgow last month. A statement released by Celtic said: “Celtic can confirm that two fans have been injured after being stabbed last night. Both will receive every support from the club and the British consulate in Rome. BBC Scotland’s sports news correspondent Chris McLaughlin, who is in Rome for the game, said local police and Celtic officials were “well aware” of the threat of reprisals. He said: “Lazio are a club that has right-wing leanings and their fans have a reputation for violence. “There were reports of violence last night around 11 o’clock local time and a police source told me that two men had been taken to hospital. “Both had been stabbed in the leg...