French authorities have opened an investiagation into possible match fixing in the UEFA Champions League tie between Paris Saint Germain and Red Star Belgrade, which ended 6-1 in favour of the Ligue 1 side.
Neymar scored twice as PSG went 5-0 up before Marko Marin pulled a goal back, only for the Brazilian to complete his hat-trick with nine minutes remaining.
According to French publication L'Equipe, French prosecutors have begun looking into the match-fixing allegations after a tip-off by UEFA.
Red Star have now released a statement vehemently denying the accusations, and demanding an UEFA investigation into the matter in order to clear the club's name. PSG won the game on October 3 6-1.
UEFA said it did not comment on ongoing investigations. "Current technology is so advanced that it is simply impossible that such a case can not be resolved".
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A Red Star Belgrade spokesman, Nebojsa Todorovic, told AFP: "I can not comment on this in any way". Dzajic added that he knows "absolutely nothing about this - it is not possible, it is untrue". It is not possible.
In a statement, PSG expressed their "amazement and indignation".
"At no moment was any member of the club approached about any issue other than those strictly linked to the organisation of the match, for example meetings, visits and the official lunch just as there is for every UEFA Champions League match", PSG said.
"On this occasion, PSG reiterates our attachment to fundamental sporting principles, the integrity of competitions & consequently refuses any form of practice that could call that integrity into question".
In a statement UEFA said: "UEFA never comments on potential, or the existence of, investigationsinto alleged match-fixing as to not compromise the process of suchinvestigations".