The incidents involving Serbia fans came during a 4-2 loss to Portugal last month. The team will now play in an empty stadium when Serbia hosts Luxembourg on Nov. 14. UEFA also imposed a 33,250 euro ($37,000) fine.
Serbia will be in a one-year probation period when Ukraine visits three days later for the final Group B game. Ukraine already qualified for Euro 2020 and Portugal is favored to take the second qualifying place.
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