Hong Myung-bo has resigned as head coach of South Korea's men's national football team after they failed to advance to the World Cup knockout stage. The team had hoped they could still qualify for the next round of the tournament as one of the best third-placed teams, but that hope was quashed on Saturday. The early exit has prompted widespread criticism at home, with President Lee Jae-myung calling for an investigation into reasons behind the team's disappointing performance. Hong apologised