Iran’s Football Federation (IFF) has accused the US of “vindictive behavior” after it denied visas to 14 officials and backroom staff from Iran’s World Cup team. Hedayat Mombeini, Iran Football Federation’s secretary-general, and Mehdi Mohammad Nabi, its vice president, are among the staff who do not have visas. The country’s first game is in Los Angeles on June 16. The US, Mexico and Canada are jointly hosting the tournament, which starts on June 11. Iran had already moved its training camp from Tucson, Arizona, to Tijuana, Mexico, just across the US border. This was because of problems processing visas. The IFF…