Football's world governing body FIFA is investigating claims that Liverpool striker Luis Suarez bit an opponent while playing for Uruguay last night.
Suarez has twice before been punished for biting opponents.
If FIFA impose a ban this time, it could see him out of the World Cup and even missing games for Liverpool. Ann O'Connor reports:
After being banned for 9 international games and from all football for 4 months we look at the previous controversies involving Luis Suarez
Suarez needs to be frustrated on the training ground so he can learn how to respond differently, a sports psychologist has told ITV News.