Chaos erupts outside Mexico City World Cup stadium as protesters fight with riot police and man suffers heart attack

Violent clashes broke out outside Mexico City's Estadio Azteca during a FIFA World Cup event, as protesters fought with riot police in scenes away from the main festivities. The stadium, which holds 87,000 spectators, was hosting World Cup celebrations at the time. Amid the unrest, at least one man reportedly suffered a heart attack outside the venue.