 One of the warring factors, the paramilitary group, the Rapid Support Forces, continues to make military gains, while in recent days its opponent, the Sudanese army, has ruled out any negotiated settlement. A short while ago we heard from the global head of Médecins Sans Frontières, or Doctors Without Borders, Dr Christos Christou, who is in Port Sudan, and I began by asking about the challenges MSF faces in its day-to-day operations in Sudan.