South Africa's World Cup dream is hanging by a thread after Uruguay stunned Bafana Bafana by winning 3-0 and taking a firm grip on Group A.Diego Forlan gave the South American side a first half lead after his shot deflected off Aaron Mokoena and into the net.South Africa pushed forward in the second half but their hopes were dashed when Uruguay striker Luis Suarez was brought down in the penalty area by goalkeeper Itumeleng Khune, who was sent off.Forlan converted the resulting penalty past substitute 'keeper Moeneeb Josephs to kill the hosts off and send many South Africa fans heading for the exits.Alvaro Pereira converted a late third as South Africa desperately tried to salvage something from the game.Uruguay go top of Group A with four points from their two games. South Africa have a solitary point after two games, and must beat France in their final game to have any hope of progressing to the knock out stages.France play Mexico on Thursday night in Polokwane. South Africa's final game is against France on Tuesday.Credit: CNN