Beijing accused Manila of “flagrantly infringing” on Chinese sovereignty and undermining regional peace after the Philippines formally presented its bid to the United Nations this week for extended seabed rights in the South China Sea. The rebuttal, issued by China’s mission to the UN on Thursday, followed Manila’s presentation before the Commission on the Limits of the Continental Shelf (CLCS) on Tuesday and Wednesday. Beijing said the filing violated its sovereignty, sovereign rights and...