Earlier in the morning, seven suspects were arrested in Switzerland. They included representatives of sports media and sports promotion firms.
The suspects are alleged to have been involved in schemes to make payments to FIFA delegates and functionaries of FIFA sub-organizations totaling more than $100 million, Swiss authorities said.
"In return, it is believed that they received media, marketing, and sponsorship rights in connection with soccer tournaments in Latin America," the Swiss Federal Office of Justice said in a statement.
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"According to the U.S. request [for extradition], these crimes were agreed and prepared in the U.S., and payments were carried out via U.S. banks."
Some of the arrests were made at the lakeside Baur au Lac Hotel in downtown Zurich, long a favored place for senior FIFA officials to stay.
Swiss authorities were questioning the soccer officials Wednesday as to their willingness to be extradited to the U.S.
"Depending on whether the suspects will consent to the extradition immediately or whether they will challenge the arrest with legal measures, the extradition could happen fairly quickly or take several months," Galli, the Swiss justice ministry spokesman, said.