Has the world learned its lesson from the genocide - now 20 years old - in Rwanda?
"I can see what is happening in Syria, I can see what is happening in the Central African Republic," Rwandan Justice Minister Busingye Johnston told CNN's Christiane Amanpour. "I'm not so sure that the world is putting out good mechanisms to ensure something like this never happens again.
"This kind of eruption can happen."
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You can watch more of Amanpour's interview with Busingye here.