North Korean women 's team walk off pitch prior to their Olympic clash with Colombia . Flag of neighbors South Korea apparently displayed on big screen before match . Match begins an hour after scheduled , after Olympics organizers ' apology . ` Clearly this is a mistake , we will apologize to the team and the national Olympic committee and steps will be taken to ensure this does not happen again . '' Team GB , Team USA and Japan kick off their London 2012 campaign with victories .
North Korean women 's team walk off pitch prior to their Olympic clash with Colombia . Flag of neighbors South Korea apparently displayed on big screen before match . Match begins an hour after scheduled , after Olympics organizers ' apology . Team GB , Team USA and Japan kick off their London 2012 campaign with victories .