United Nations observers have sighted about 100 Rwandan troops inside the Democratic Republic of Congo. Thousands of civilians have reportedly begun to flee the area. The Congolese say more than 6,000 Rwandans have crossed the border and are attacking and burning villages. From the eastern town of Beni, Congolese regional cooperation minister Mbusa Nyamwisi said villages were being targeted nearby. "We are being attacked by the Rwandan troops," he said. The apparent incursion comes after threats last week by Rwanda's president Paul Kagame to send troops across the border to engage Hutu rebels inside Congolese territory. President Kagame said any...