China’s monster ship on Saturday returned to its previous location off the coast of Zambales province days after it left the area, said PCG.

The Philippine Coast Guard (PCG) on Friday issued a radio challenge against a China Coast Guard (CCG) vessel off the coast of Zambales in the West Philippine Sea. The PCG on Saturday said CCG vessel 3304 was illegally sailing at approximately 70-80 nautical miles off the coast of Zambales.

House Assistant Majority Leader and Zambales Rep. Jefferson Khonghun on Wednesday expressed outrage over the reported presence of massive China Coast

China's largest Coast Guard vessel has begun to sail away from the waters off Zambales after loitering there for four days, only to be replaced by another Chinese ship in what authorities call a calculated move to maintain Beijing's illegal presence in the area.

The PCG has been monitoring the "monster ship" since last Saturday, when it was spotted by the Dark Vessel Detection system 54 nautical miles off Capones Island in Zambales.

A Chinese navy helicopter hovered over a Philippine Coast Guard (PCG) vessel as China's monster ship lingered in Philippine waters. Footage shows the People's Liberation Army-Navy (PLA-N) aircraft with tail number 47 circling above the PCG BRP Cabra monitoring the gargantuan China Coast Guard (CCG) vessel 5901 some 70 nautical miles off Zambales province on January 7.

Observers interpret the presence of the 165-metre vessel near Scarborough Shoal as a warning to Manila about its military ties with the US.