Manila, Feb. 4 -- Naval and air assets of the Armed Forces of the Philippines (AFP) are keeping a tight watch on three People's Liberation Army Navy (PLAN) vessels even as they were detected leaving the country's territory.

The Northern Luzon Command, Western Command, Central Command and Western Mindanao Command are joining forces in constantly tracking the Chinese Navy ships.

"We started tracking the presence of these three Navy ships last 1 February from Bajo de Masinloc and then one of those ships from Bajo de Masinloc proceeded southward. It was tracked by one of our ships, FF-150 (guided-missile frigate BRP Jose Rizal)," Philippine Navy spokesperson for the West Philippine Sea (WPS), Rear Admiral Roy Vincent Trinidad, said in media...