EXCLUSIVE: President Paul Kagame doesn't know if there are Rwandan troops in Congo

President Paul Kagame tells CNN's Larry Madowo that he doesn't know if there are Rwandan troops in eastern DRC but says the country would do anything to protect itself. The Rwandan leader accuses South Africa of being in Goma and the region to secure minerals for themselves. He says Congolese President Felix Tshisekedi has to sit down with M23 to find a political solution to the crisis