Mangwanani omusi wa5 July 1960, mukuru mukuru wemauto anonzi Émile Janssens, uyo aitungamirira mauto eForce Publique, paakaona kuti mauto eCongo akanga achiwedzera kuvhiringidzika, akashevedza mauto ose aiva pabasa kuCamp Léopold II. Akada kuti uto rirambe riine chirango uye akanyora "pamberi porusununguko = pashure porusununguko" pahwendefa dema kuti asimbise. Manheru iwayo vaCongo vakapaza nzvimbo yokudyira vachiratidzira kupokana naJanssens. Akachenjedza boka ravarwi reCamp Hardy, makiromita 95 kure muThysville. Vakuru vakuru vakaedza kuronga konvo kuti iendeswe kuCamp Léopold II kunodzorera runyararo, asi varume vacho vakapanduka ndokutora nzvimbo yokuchengetera zvombo. Dambudziko racho
yakatevera yakatanga kutonga hurumende yaLumumba.