The United States, the United Kingdom and a group of Western and Asian countries reaffirm that China’s expansive claims in the South China Sea are illegal, citing a 2016 arbitration decision. The governments issue a joint statement rejecting “destabilizing” actions in the disputed waters that they say threaten regional peace. The statement commemorates the July 12, 2016 ruling by a tribunal established in The Hague under the United Nations Convention on the Law of the Sea. The decision is described by the signatories as a significant milestone that is final, legally binding and definitive.

China did not participate in the arbitration initiated by the Philippines in 2013. That process followed a tense standoff in 2012 that ended with Beijing effectively seizing a disputed shoal. After the 2016 ruling, China rejected the tribunal’s findings and continues to defend its claims covering much of the sea, a major international trade route and a recurring source of regional tensions.