The Philippines said on Saturday it had suspended a scientific survey in the South China Sea after its fisheries vessels faced "harassment" and aggressive behaviour from China's coast guard and navy.

US Secretary of State Marco Rubio reaffirmed Washington's commitment to Manila and condemned Beijing for its "dangerous and destabilising" actions in the Sea, in his first phone call with Philippine Foreign Secretary Enrique Manalo.

New U.S. Secretary of State Marco Rubio discussed China's "dangerous and destabilizing actions in the South China Sea" with his Philippine counterpart on Wednesday and underscored the "ironclad" U.S.

Secretary of State Marco Rubio said the US remained committed to the Philippines' defense as tensions simmer with Beijing in the South China Sea.