Prosecutors did not reveal the agent's identity and said his assistant was arrested in the Liege area, in Belgium's Wallonia region. The agent is suspected of collecting undue commissions over players' transfers.
Brussels federal prosecutor's office did not give details of the seven raids but said they are linked to a first wave of searches in April when Belgian police probed the offices of Anderlecht football club and the Belgian football association.
This case is not related to the massive corruption scandal that engulfed Belgian soccer last year when authorities carried out 57 police raids in the country and around Europe in a probe into financial fraud and match-fixing.
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