Host nation: Qatar Dates: 20 November-18 December Coverage: Live on BBC TV, BBC iPlayer, BBC Radio 5 Live, BBC Radio Wales, BBC Radio Cymru, BBC Sounds and the BBC Sport website and app. Day-by-day TV listings - Full coverage details |
The US national team used a modified version of the Iranian flag in their social media posts.
The Islamic Republic emblem was removed from the flag before the World Cup meeting by the US
Iran's football federation made a complaint to the sport's world governing body.
Berhalter said that sometimes things are out of our control.
All we can do is apologize on behalf of the players and the staff, but it's not something that we were involved in.
The meeting of the US and Iran in the World Cup is taking place at a time of anti-government protests in Iran.
Iran accused the US and other foreign adversaries of inciting the protests and the US government imposed sanctions on Iranian officials.
The US decided against using the official flag of Iran in their social media posts to show support for the women in Iran who are fighting for their rights.
The death in custody of a woman who was accused of violating the strict rules around head coverings sparked the protests in Iran.
The US Soccer spokesman said that the posts had been removed and replaced with ones with the correct Iran flag.
We didn't know what US Soccer had to say. We had no idea who the people were. We're focused on this match and I don't want to sound like we're not paying attention.
The thoughts are with the Iranian people and everyone. We are only thinking about this match.
The United States and Iran both know they will go through to the World Cup last 16 with a win, but will be eliminated if they don't. The US would be knocked out and Iran would have to rely on Wales.
Both teams went out in the group at the 1998 World Cup, but Iran won the game 2-1.
Get the latest results and goal notifications for any team at the Fifa World Cup by downloading the BBC Sport app: Apple - Android - Amazon
You can get a daily dose of the World Cup on the radio.