Prosecutors in Hamburg, Germany, say Hassan Moustafa may have improperly received $830,000 in apparent consulting fees in 2007. He has not been charged.

Moustafa's home is in Rheinfelden, Switzerland. The handball federation offices in nearby Basel were raided Wednesday by Swiss authorities following a German request. Prosecutor spokesman Wilhelm Moellers says documents were seized in Switzerland and Hamburg. Moustafa

The sports marketing agency Sportfive bought rights to handball competitions from 2006-09. It says its Hamburg office was visited. The agency says the investigation is not aimed at Sportfive or its employees.