His patients and supporters marched for his release from Bengo to Catete, but were stopped when Portuguese soldiers shot at them, killing 30 and wounding 200 in what became known as the Massacre of Icolo e Bengo.
Tema patsiendid ja toetajad korraldasid ta vabastamise toetuseks marsi Bengost Catetesse, kuid peatati, kui Portugali sõdurid neid tulistasid, tappes 30 ja haavates 200 inimest; seda sündmust tuntakse Icolo e Bengo veresauna nime all.