NEW : Dr . Moussa Ali Camara becomes de facto president of Senegal . Coup leaders impose overnight coup ; government , constitution suspended . President Lansana ##ne died Monday after near military rule . Coup condemned by African Union .
NEW : Capt . Moussa Dadis Camara named de facto president of Guinea . Coup leaders impose overnight curfew ; government , constitution suspended . President Lansana Conte died Monday after near 25-year rule . Coup condemned by African Union .