Brazil's 5-1 victory over Tunisia was sadly overshadowed by some unsavoury behaviour from supporters.

Fans supporting the African nation - who've qualified for the 2022 World Cup - packed into Paris Saint-Germain's Parc des Princes stadium on Tuesday evening.

The actions of a few in the stands were simply unacceptable, with Tottenham Hotspur striker Richarlison having a banana thrown in his direction while celebrating a goal.

Video: Richarlison had banana thrown at him by Tunisia fans

Disgusting, absolutely disgusting.

The police need to get involved and find out who's responsible for the abhorrent act, so the culprit can be punished accordingly.

Tunisia fans didn't exactly cover themselves in glory before a ball was kicked in the French capital either.

Brazil's national anthem was loudly booed at the Parc des Princes and Marquinhos - who is PSG's captain - simply could not hide his disgust while lined up on the pitch.

Video: Marquinhos' reaction to Brazil's national anthem being booed

Yeah, he was not a happy bunny and you can certainly understand why.

Hearing such a response to your country's anthem anywhere in the world is one thing, but in the stadium you call home? It cannot be nice at all.

Marquinhos and Brazil did their talking with the ball, though.

Tite's side blew away Tunisia with yet another devastating performance, one which further highlights why they are the favourites to win the Qatar World Cup.

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Brazil look scarily good going into the Qatar World Cup

The South American nation's attack is the most threatening it's looked since the days of Ronaldo, Rivaldo and Ronaldinho.

Richarlison, Raphinha and Neymar were all on the scoresheet in the 5-1 win over Tunisia, as was Flamengo striker Pedro - who's one of the more underrated members of the current Brazil setup.

Tite was also able to introduce Vinicius Junior, Antony and Rodrygo Goes from the bench, which is a level of offensive depth that borders on the ridiculous.

Especially when you remember that in-form Arsenal duo Gabriel Jesus and Gabriel Martinelli aren't even part of the current squad!

Gabriel Jesus in action with Arsenal

BRENTFORD, ENGLAND - SEPTEMBER 18: Gabriel Jesus of Arsenal during the Premier League match between Brentford FC and Arsenal FC at Brentford Community Stadium on September 18, 2022 in Brentford, England. (Photo by Alex Pantling/Getty Images)

Who will Brazil play at the Qatar World Cup?

Brazil have been into Group G at the upcoming World Cup, where they will take on Switzerland, Serbia and Cameroon.

On paper, it's a tough-looking group, with Switzerland and Serbia each winning their two UEFA Nations League matches during the international break.

But Brazil should still have more than enough firepower to progress to the World Cup knockout rounds with relative ease.