Three people have died in an accident at Sao Paulo's stadium that is due to host the opening ceremony of the 2014 Football World Cup, police says. A senior local fire official stated.crews were called to the Arena Corinthians after reports of a collapsed It fell on top of a metal structure, destroying parts of a stand. The arena was due to be completed at the end of December to meet a Fifa deadline. Brazil has admitted it is struggling to have all 12 venues ready.