CONMEBOL have responded to allegations of corruption as they labelled Lionel Messi's comments "unacceptable" and "unfounded" at the Copa America.
Argentina defeated Chile 2-1 in the third-place play-off on Saturday, but Messi railed against "corruption" and "a lack of respect" following his red card against the two-time reigning champions.
Messi – who was controversially dismissed in the first half after an altercation with Gary Medel – vented his frustration post-match, having criticised the officiating following Argentina's semi-final loss to hosts Brazil.
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The Argentina captain's allegations angered the South American football governing body, who hit back in a statement.