Gavi has shown his support for the young Barça fan who was arrested in Elche on Sunday after police confiscated a Catalan flag from him, prior to the match against Elche, in the vicinity of the Martínez Valero stadium.was arrested in Elche after police confiscated a Catalan flag, prior to the match against Elche, in the vicinity of the Martínez Valero stadium.