FILE PHOTO: Supporters of main opposition Senegalese Democratic Party (PDS) hold posters of former Senegalese president Abdulaye Wade (L) and his son Karim (R) during a protest in Dakar April 23, 2013. Senegalese prosecutors last Wednesday, April 17, 2013, formally charged Karim Wade with corruption and ordered him to be detained without bail, his lawyer told Reuters. REUTERS/Joe Penney/File Photo

