Serbian fans clashed with each other during their match against England on Tuesday evening.
The divisions are said to be politically motivated, with families moving their children away from the disturbances.
Serbia are currently under scrutiny from UEFA and FIFA after facing more than £600,000 in fines over the last five years.
"Disturbance happening in the main stand," it was reported on ITV. "Families involved and children had to be moved on. Serbian fans arguing between themselves, a political dispute."
Serbian fans clashed with each other during their match against England on Tuesday evening
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Paul Robinson described the clashes on the BBC: "There is certainly some pockets of unrest around the stadium. It is not looking pretty.
"There is a lot of families choosing to go as it did overspill...
There was unrest in the Serbian stands during their match against England
|REUTERS
"There has been a mood change. Everyone in the stadium is watching around to see what is going on."
There had been controversy earlier in the game, that saw the match halted after a green laser pen seemed to be pointed in the eye of Ezri Konsa.
The laser had previously been spotted on Reece James while stepping up to take a free kick.
An announcement was made to the home fans regarding the laser incident.
England centre-back Ezri Konsa stopped while in possession after seemingly being subject to a green laser in his eye
|GETTY
At least 15 per cent of Belgrade's Rajko Mitic Stadium has been closed to home fans on the night as a Fifa punishment for racist chanting in a game against Andorra.
With £600,000 in fines over the last five years already, there could be fears of further implications for both of tonight's incidents.
Despite the disturbances, England were dominant and commanding in their performance.
They defeated Serbia 5-0, extending their exceptional record under Thomas Tuchel. The Three Lions also surpassed the 10-hour mark since the last competitive goal they have conceded.