Granit Xhaka and Xherdan Shaqiri caused a huge stir against Serbia on Friday evening.The two Premier League players both found the back of the net to seal a priceless 2-1 comeback victory for Switzerland, but there was a lot more to the story.Both Xhaka and Shaqiri performed very controversial celebrations in front of millions of viewers worldwide.The duo both displayed an Albanian double eagle with their hands, something which may prompt FIFA to take some action against the pair.To add some context for you, both Xhaka and Shaqiri were born in Albanian-speaking Kosovo.Both their families had to take refuge in Switzerland during the Yugoslavia war of the 1990's.Xhaka's father actually spent three-and-a-half years politically imprisoned.Shaqiri even had a Kosovo flag stitched into his boots and was booed by the Serbian fans when his name was read out prior to kick-off, per BBC.And Xhaka further extended the controversy after the game, posting and then deleting an Instagram story aimed at the Serbian fans he had already riled.You can see the post below.

XHAKA'S INSTAGRAM

Translated, the post reads: "Hey Serbia I destroyed your net, because my name is Granit Kosova."

It seems a given that FIFA are going to have to intervene and Switzerland's manager, Bosnian-born Vladimir Petkovic, said: "You should never mix football and politics, it's important to be a fan, and to give respect.

"It was a wonderful atmosphere and that's what support should be about."

A bit of a mess, really.

At the time of writing, there had been no response to the celebrations from the Serbian players and there were no reports of crowd trouble.

Xhaka himself said in his post-match interview: "The world might not know the story, but ask any Albanian.

"This is history being made. A team that's not even at the World Cup scored today, not once, but twice. Serbia one, Albania two!"

It will be one of the most divisive topics of the tournament and FIFA will surely not stand for it.