The assailants attacked under cover of darkness, slaughtering Nguli Nzafi's wife and three children with machetes and arrows.
The 71-year-old, who also lost all 40 of his cattle in the violence, was forced to flee on foot some 90 kilometres (56 miles) to safety in the town of Bunia.
"I have lost everything because I no longer have my wife nor my children," he says. "I cannot eat nor sleep. I'm afraid that this fighting is as bad as the war in 1996-2002."
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