Bizarre scenes ensued on the pitch last night.
The Brazilian Football Confederation says it 'deeply regrets' the events that led to the abandonment of last night's World Cup qualifier against Argentina.
Health officials took to the pitch shortly after kick off, due to an alleged breach of Covid-19 protocols.
Under Brazilian rules, visitors who have been in the UK 14 days before entering the country are obliged to quarantine on arrival.
Three Premier League players were involved in the game - Aston Villa's Emiliano Martinez, as well as Tottenham duo Giovani Lo Celso and Cristian Romero.
Another Aston Villa player, Emiliano Buendia, was part of the extended Argentina squad.
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