On the evening of March 16, 2023, Real Sociedad and Roma fans clashed outside the Anoeta Stadium in San Sebastián, Spain before their Europa League match. According to eyewitness accounts, ultras from Real Sociedad hit the bus carrying Roma fans, sparking riots in the area.

Ivana Vanesa, who was at the scene, reported the incident on Twitter, saying "Riots in the vicinity of Anoeta. Ultras from Real Sociedad hit the bus where Roma fans were coming. 21st century and we still don't understand." The attack on the bus left many Roma fans shaken, and the situation quickly escalated as fans from both sides began fighting in the streets.

Police and security forces were deployed to control the situation, but the situation remained tense throughout the match. Despite the heavy police presence, the violence continued after the game ended in a 0-0 draw, with many fans remaining in the area.