 China has demanded that the Philippines withdraw Coast Guard ships from what appears to be a fresh area of contention in the South China Sea. Manila has stationed at least one vessel at the Sabina Shoal since April. Talks aimed at a ceasefire in Sudan have failed after only one of the warring parties attended the UN-brokered meeting. Delegates representing the paramilitary rapid support forces met the UN's mediator, but the regular army said it would not join the discussions.