(RFA) CManila on Sunday protested the China Coast Guard’s use of water cannons against a Philippine Coast Guard vessel escorting civilian supply boats delivering goods to a military post in the South China Sea.

The Filipino vessels were on a mission Saturday to deliver food, water, fuel and other supplies to troops stationed on the BRP Sierra Madre when the incident occurred near Ayungin Shoal (Second Thomas Shoal). The World War II-era naval ship was deliberately run aground in the shoal in 1999 to serve as the country’s military post there.