South Korea coach quits after early World Cup exit prompts fierce criticism from president StuffSouth Korea football coach quits as president calls for probe into World Cup loss BBCSouth Korean president, ex-players, fans demand change after World Cup exit Al JazeeraIran and South Korea miss out on World Cup last 32 in dramatic third-place race The GuardianSouth Korea coach Hong Myung-Bo quits after World Cup exit, criticism from president ESPN