MANILA - The Philippine military on Friday (July 7) reported an "alarming" increase in the number of Chinese fishing vessels in disputed waters in the South China Sea, which it said threatens the security of the oil and gas-rich Reed Bank.
From only a dozen in February, the number of Chinese fishing vessels "swarming" in Iroquois reef, just south of the Reed Bank, has risen to 47 as of last month, according to the military's Western Command (Wescom).
"China must cease its swarming of vessels to respect our sovereign rights," Ariel Coloma, spokesperson for the Western Command, said in a statement.
There was no immediate comment from the Chinese embassy in Manila.
The Philippines won a landmark arbitration case in 2016 that invalidated China's expansive claims in the South China Sea, where about $3 trillion (S$4 trillion) worth of sea-borne goods pass every year.
The ruling, which treaty ally United States backs and China refuses to recognise, clarified Philippine sovereign rights in its 200-mile exclusive economic zone (EEZ) to access offshore oil and gas fields, including the Reed Bank, where a natural gas exploration project operated by Philippine firm PXP Energy Corp has been stalled.
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Philippine military flights had also recorded the presence of three China Coast Guard ships and two Chinese navy vessels "regularly loitering" at Sabina Shoal, which like Iroquois, is inside the Philippine EEZ.
"These developments raise alarming concerns about China's intentions and actions within these disputed waters," WESCOM said.
US Defense Secretary Lloyd Austin told his Philippine counterpart, Gilbert Teodoro, on Thursday that the US commitment to the defense of its ally was "ironclad," including in the South China Sea, according to a US summary of the call.
The Philippines on Wednesday accused the China Coast Guard of harassment, obstruction and "dangerous manoeuvres" against its vessels, after another incident near a strategic feature of the South China Sea.
