US, Japan, Philippines trilateral deal to change dynamic in South China Sea, Marcos says

WASHINGTON/MANILA — A co-operation agreement by the Philippines, the US and Japan will change the dynamic in the South China Sea and the region, Philippine President Ferdinand Marcos Jr said on Friday (April 12), while seeking to assure China it was not a target.

"I think the trilateral agreement is extremely important," Marcos told a press conference in Washington a day after meeting President Joe Biden and Japanese Prime Minister Fumio Kishida in the nations' first trilateral summit.

"It is going to change the dynamic, the dynamic that we see in the region, in Asean in Asia, around the South China Sea," Marcos said, referring to the Association of Southeast Asian Nations.

The three leaders expressed "serious concerns" about China's "dangerous and aggressive behaviour" in the South China Sea, a conduit for more than US$3 trillion (S$4.1 trillion) of annual ship-borne commerce with various maritime disputes among China and other countries.

Still, Marcos said the summit was "not against any country" but had focused on deepening economic and security relations among Manila, Washington and Tokyo.

China claims almost the entire South China Sea despite a 2016 ruling by the Permanent Court of Arbitration found Beijing's sweeping claims had no legal basis.

Philippine and Chinese ships have had a series of run-ins in the past month that included the use of water cannon and heated verbal exchanges.

Beijing on Thursday summoned Manila's ambassador to the country and a Japanese embassy official to oppose what its foreign ministry described as "negative comments" against China.

The deepening China-Philippines row coincides with an increase in security engagements with the US under Marcos, including expansion of US access to