Clinton calls for Sudan compromise

US secretary of state Hillary Clinton has urged leaders of South Sudan and their counterparts in the north to quickly reach agreement on oil revenue and other pressing issues to resolve differences that threaten to reignite a decades-long conflict.

Mrs Clinton flew to South Sudan's capital of Juba for a brief visit to congratulate the nascent nation on its anniversary and offer US support but, more importantly, to stress the urgency of ending disputes with Sudan over oil and territory.