JOHANNESBURG (Reuters) - Four mineworkers were killed and one was seriously injured after a rock fall at a South African gold mine on Friday trapped five workers underground, the company and a mining union said on Sunday.

GISENYI, Rwanda (Reuters) - An Ebola survivor has fallen ill with the disease for a second time in eastern Congo, the Congolese health authorities said on Sunday, saying it was not yet clear if it was a case of relapse or reinfection.