Angered by a second goal scored by South Africa, which brought the score to 2-0 against Zimbabwe, fans became rough and restless in the stands. Police responded by launching tear gas into the crowds. As rioting continued, herds of fans attempted to flee the stadium in Harare, creating a stampede that killed 13 people.
“We’ve seen many examples in war and in concerts and in political rallies where groups can bring out the best and worst in people,” says Ginsburg. “The sort of mob mentality – once that gets going, people can get pulled into it.”