The president of the Spanish Football Federation and his son have been held as part of a corruption investigation, judicial sources say.
Angel Maria Villar was arrested on suspicion of embezzling funds, El Pais and Efe news agency reported.
Mr Villar, a former Spain international footballer, has been president of the association since 1988.
His son Gorka was among a number of other people also arrested on Tuesday, AFP agency said.
Source: world bbc