Interpol agents arrested Ladislas Ntaganzwa, a man who allegedly took part in the 1994 Rwandan genocide, officials said on Thursday. Ntaganzwa, who had a $5 million bounty on his head, was taken into custody in Goma, an city in eastern Congo, on Monday. He is one of the nine most-wanted fugitives of the Rwandan genocide, in which more than 800,000 people were killed.