[Getty Images]Birmingham midfielder Paik Seung-Ho has been released from international duty with South Korea due to injury.The 29-year-old was an unused substitute in the 3-0 home win over Ecuador last Thursday but missed Monday's 4-1 defeat against Uruguay and will not be available for Friday's friendly with Venezuela or Tuesday's match against Uzbekistan.The local media reported a statement from the Korea Football Association, saying: "Following a meeting with the coaching staff and medical te