US Secretary of State Hillary Clinton on Wednesday urged claimants to the South China Sea not to resort to intimidation to push their cause in the potentially oil-rich waters, an indirect reference to China ahead of a regional leaders' summit. Clinton reiterated that the United States wanted a candid discussion of the maritime dispute, which an Australian think tank warned earlier this year could lead to war, when the leaders gather in Bali, Indonesia, this week. However, China says it does not want the issue discussed, putting it at loggerheads with the United States once again after they exchanged barbs over trade and currency at last week's meeting of Asia Pacific Economic Co-operation forum in Hawaii. “The United States does not take a position on any territorial claim, because any nation with a claim has a right to assert it,” Clinton said in Manila, while marking the 60th anniversary of the US-Philippine Mutual Defence Treaty. “But they do not have a right to pursue it through intimidation or coercion. They should be following international law, the rule of law, the UN Convention on Law of the Sea.” She said disputes in the sea lanes should be resolved through the 1982 United Nations Convention on the Law of the Sea (UNCLOS), which defined rules on how countries can use the world's oceans and their resources. That could embolden Southeast Asia's hand against China, which has said it would not submit to international arbitration over competing claims to the area, believed to be rich in natural resources and a major shipping lane. China says it has historical sovereignty over the South China Sea and so supersedes claims of other countries, including the Philippines, Vietnam, Malaysia and Brunei. “Introducing a contentious subject into the meeting would only affect the atmosphere of cooperation and mutual trust,” Chinese Foreign Ministry spokesman Liu Weimin said on Wednesday.