A Philippine security official says China is “pushing us to the wall” with growing aggression in the disputed South China Sea and warned that “all options are on the table” for Manila’s response, including new international lawsuits.

Beijing and Manila have agreed to continue talks on settling their territorial differences despite Philippine protests about the presence of a Chinese "monster ship" near the contested Scarborough Shoal.

The world's largest coast guard vessel, China Coast Guard 5901, is maintaining its presence off Zambales province in the West Philippine Sea despite Manila's calls for Beijing to withdraw the ship.