keywords: peacekeepers sudan khartoum peace nations
text: UN Envoy Says 10,000 Peacekeepers Needed for Sudan  UNITED NATIONS (Reuters) - The United Nations will  recommend up to 10,000 peacekeepers for Sudan if Khartoum and  southern rebels sign a landmark peace agreement to end a  21-year-old civil war, a senior U.N. envoy said on Tuesday.