Manila, Jan. 27 -- Senate President Pro Tempore Jinggoy Estrada on Monday condemned China's use of a long-range acoustic device (LRAD) to harass Philippine Coast Guard (PCG) vessels in the West Philippine Sea, calling it an "unacceptable provocation" and a serious escalation of aggressive tactics.

The PCG said China Coast Guard (CCG) vessel 3103 used the acoustic weapon on Jan. 25.

"Kailanman ay hindi magiging katanggap-tanggap ang pananakot, harassment at pang-aabuso sa ating karapatan, lalo na't nilalagay sa panganib ang mga nagpapatrolya ng ating mga karagatan (Intimidation, harassment and abuse of our rights will never be acceptable, especially if it puts those who patrol our oceans at risk)," Estrada said in a statement.

He added ...