England and Ireland's football associations are both facing huge fines after what happened before the clash on Sunday evening.
The two nations met in their final UEFA Nations League fixture, two months on from doing battle at the Aviva Stadium in Lee Carsley's first game as interim manager.
Before the game there was a spiky atmosphere at Wembley Stadium given the rivalry between the two countries and that boiled over with the pre-match anthems.
The Irish national anthem Amhran na bhFiann was booed by England supporters but the travelling Irish fans quickly returned the favour when God Save the King was belted out.
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Over on X, journalist Henry Winter has confirmed that both governing bodies will be fined by UEFA as a result of the conduct of their fans.
It was carbon copy of what happened ahead of England's 2-0 win in Dublin back in September, with England fined £10,500 and Ireland £8,400.
England's charge amounted to more because they were considered to be repeat offenders after booing the Slovenia national anthem at the Euros in July.
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It appears as though the same precedent will be followed for this latest incident.
Ireland and specifically the FAI, were fined £7,800 and £5,000 for separate charges relating to flares being lit and a fan encroaching the pitch invader. In another controversy, an England supporter invaded the pitch and that resulted in an £4,150 fine.
England claimed a resounding 5-0 win over Ireland to top their UEFA Nations League B group and secured automatic promotion back into the A section of the competition and avoid a two-legged play-off future down the line under new boss Thomas Tuchel.
England and Greece finished level on points but the Three Lions secured top spot thanks to a superior goal difference after scoring 16 and conceding just three under interim boss Lee Carsley.
Topics: England, Republic of Ireland, UEFA Nations League, UEFA
Josh Lawless