Serbian football officials threatened to quit the European Championship over fan chants reportedly heard during Wednesday’s Albania-Croatia match in Hamburg. The game on Wednesday ended 2-2. Serbia started its second group match against Slovenia on Thursday afternoon in Munich. “What happened is scandalous, and we will ask UEFA for sanctions, even at the cost of not continuing the competition,” Serbia Football Association general secretary Jovan Šurbatović said. “We will request UEFA to punish the federations of both teams. We don’t want to participate in that, but if UEFA doesn’t punish them,…