Uncertainty remains over US entry permits for Iranian players just days before the World Cup begins, with various Iranian bodies denouncing "unfair" treatment. On Sunday Iran's football chief Mehdi Taj -- among some 15 staffers denied US visas, according to Iranian media -- criticised the United States' "unfair" treatment of the team, in a video shared by state news agency IRNA. "Where in the world is a national team only allowed to enter the host country one day before its matches?"