Barca have confirmed the complaint to UEFA in an official statement, which reads: "Barcelona announces that, today, the Club's legal department has filed a formal complaint with UEFA regarding the events that occurred in the first leg of the UEFA Champions League quarter-final against Atlético de Madrid. The Club believes that the referee's performance was contrary to the regulations in force, directly impacting the course of the match and its outcome. The complaint focuses on a specific incident. In the 54th minute of the match, after play had properly restarted, an opposing player handled the ball inside the penalty area, yet no penalty was awarded. FC Barcelona believes this decision, along with the serious failure of VAR to intervene, constitutes a significant error. Consequently, the club has requested an investigation, access to the referee's communications, and, if necessary, official acknowledgment of the errors and the implementation of appropriate measures. In this same vein, FC Barcelona believes that this is not the first time that, in recent editions of the UEFA Champions League, incomprehensible refereeing decisions have seriously harmed the team, creating a clear comparative disadvantage and preventing them from competing on equal terms with other clubs."