Belgian police have searched the home and offices of an aide to Dutch European Parliament member Marcel de Graaff over alleged involvement in the promotion of Russian propaganda, according to officials. The Federal Public Prosecutor’s Office said police carried out searches on Wednesday at the Schaerbeek residence of a European Parliament employee and his offices at the European Parliament buildings in both Brussels and Strasbourg, France. “The searches are part of a case of interference, passive corruption and membership of a criminal organization and relates to indications of Russian interfe…