A new rule is being enforced at the World Cup, resulting in immediate red cards for players covering their mouths when verbally confronting opponents. This rule change was communicated to players before the tournament.

Officials are actively enforcing this new rule, leading to incidents where players have been given red cards. One such incident occurred on Tuesday night, involving an Ecuador defender, though details of the event are limited.

For more information on this rule change and its impact on the World Cup, readers can refer to the original source, which provides further details on the incidents and the rule itself.