He wants to transfer the population of 25,000 to a new settlement on higher ground and set fire to the bush to destroy the tsetse fly .
Randall explains that an outbreak of sleeping sickness caused by the tsetse fly is moving across Tanganyika and has almost reached Marashi .
Randall wants to transfer the population of 25,000 to a new settlement on higher ground and set fire to the bush to destroy the tsetse fly .
Randall explains that an outbreak of sleeping sickness caused by the tsetse fly is moving across Tanganyika and has almost reached Marashi .