UEFA opened an investigation into four Real Madrid stars including Kylian Mbappe and Vinicius Junior on Thursday for alleged ?indecent conduct? during their Champions League last 16 win over Atletico Madrid.

Madrid?s two superstar forwards, as well as defender Antonio Rudiger and midfielder Dani Ceballos, face potential punishment ahead of their quarter-final first leg clash at Arsenal on April 8.

?A UEFA Ethics and Disciplinary Inspector has been appointed to investigate allegations of indecent conduct by Real Madrid CF players,? said the European football governing body in a statement.

UEFA opened an investigation into four Real Madrid stars including Kylian Mbappe and Vinicius Junior on Thursday for alleged ?indecent conduct? during their Champions League last 16 win over Atletico Madrid.

Madrid?s two superstar forwards, as well as defender Antonio Rudiger and midfielder Dani Ceballos, face potential punishment ahead of their quarter-final first leg clash at Arsenal on April 8.

?A UEFA Ethics and Disciplinary Inspector has been appointed to investigate allegations of indecent conduct by Real Madrid CF players,? said the European football governing body in a statement.

The night ended in controversy after Atletico forward Julian Alvarez had a penalty controversially disallowed in the shoot-out for supposedly touching the ball twice. (BBC)

?Photo FILES: Real Madrid?s Brazilian forward Vinicius Junior reacts to being insulted, pointing at the stands during the Spanish league football match between Valencia CF and Real Madrid CF at the Mestalla stadium in Valencia on May 21, 2023.(Photo by JOSE JORDAN / AFP)

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