FIFA have stepped in to a huge Balkan bust-up involving Celtic defender Jozo Simunovic and told him he's now stuck in international football limbo.

The stopper rejected a call-up to Bosnia last week amid reports in Croatia that the former Dinamo Zagreb star now wants to play for them at this summer's World Cup.

2 Jozo Simunovic has reversed his decision to play for Bosnia Credit: Kenny Ramsay - The Sun Glasgow

He decided last year he would change nationalities from Croatia to Bosnia when he announced he didn't want to play for the country he had represented at all levels up to Under 21s after being angered at a lack of communication from the Croatian FA when injured after being overlooked for caps.

And he agreed to play for Bosnia, where his parents are from, after being approached by then-manager Mehmed Bazdarevic.

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However, he has yet to play for Bosnia and informed new boss Robert Prosinecki last week he wasn't interested in playing for his adopted country after all.

That led to suggestions that Croatia could call him up and he could even play at Russia this summer where the Croats face Argentina, Nigeria and Iceland.

That's prompted the Bosnians to contact FIFA, who have informed them that Simunovic is only allowed to change his mind once, effectively leaving him in limbo.

2 The Hoops defender is looking to play for Croatia again at this year's World Cup Credit: Getty - Contributor

A Bosnian FA spokesman explained: "FIFA have informed us about their Change of Association Rule 8.1.

"It states that If a player has more than one nationality, or if a player seeks a new nationality, or if a player fulfills the conditions for playing for more national teams due to his nationality, he may, only once, request to change the association.

"Therefore, he is now only eligible to play for Bosnia because FIFA's Status Committee granted him permission last year to play for us."

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