The Philippines has not lost any part of its territory in the West Philippine Sea under the Duterte administration, Foreign Affairs Secretary Alan Peter Cayetano insisted amid criticisms of the government’s supposed silence over continuing Chinese military buildup in the region.

Mateo, J., Macairan, E., Punongbayan, M., & Laude, J. (2018, June 03). No Phl territory lost under Duterte — Cayetano. Philippine Star, p. 3.