NEW : Manila says diplomats `` are endeavoring to undertake a new diplomatic initiative '' China and the Philippines have been involved in a standoff since April 10 . The two countries claim they were not consulted about the deployment of Chinese ships near Scarborough Shoal, which is also claimed by Vietnam. Both countries claim the shoal , known by China as Huangyan , in the South China Sea .
NEW : Manila says diplomats `` are endeavoring to undertake a new diplomatic initiative '' China and the Philippines have been involved in a standoff since April 10 . Navy accuses Chinese boats of fishing illegally in waters off the Scarborough Shoal . Both countries claim the shoal , known by China as Huangyan , in the South China Sea .