The Philippines won’t end patrols in the South China Sea, President Rodrigo R. Duterte said on Wednesday night, adding that the country’s sovereignty is nonnegotiable. Tensions over the sea, which China claims almost entirely, have spiked as Beijing refuses to withdraw vessels from Philippine waters and Manila boosts sea patrols. Mr. Duterte is under growing domestic pressure to take a harder stance, but has been reluctant to confront China over the issue.

Atienza, K. A. T., & Villegas, V. M. M. (2021, April 30 - May 1). Duterte says Philippines won't end sea patrols. BusinessWorld, p. S1/12.