Will Manila and Hanoi’s maritime deal challenge Beijing in the South China Sea?

A decade after Beijing rejected the ruling by The Hague’s Permanent Court of Arbitration on its China-sea" class="entity-link entity-location" data-entity-id="8346" data-entity-type="location">South China Sea claims, rival nations continue to manoeuvre for control. In the second of our series on the anniversary, Alyssa Chen explores how deepening maritime cooperation between the Philippines and Vietnam could affect China’s regional strategy.With Vietnamese President To Lam by his side in Manila late last month, Philippine President Ferdinand Marcos Jnr sent a clear message of intent.“Maintaining peace, stability and the freedom of navigation and overflight in the China-sea" class="entity-link entity-location" data-entity-id="8346" data-entity-type="location">South China Sea remains non-negotiable,” Marcos said.