MANILA, Philippines (AP) 鈥 The Philippine coast guard said it has complied with a presidential order to remove a floating barrier placed by China鈥檚 coast guard to prevent Filipino fishing boats from entering a lagoon in a disputed shoal in the South China Sea.

Philippine officials condemned the installation of the 300-meter (980-foot) -long barrier at the entrance to the lagoon at Scarborough Shoal as a violation of international law and the Southeast Asian nation鈥檚 sovereignty. The coast guard鈥檚 report Monday that it had removed the barrier underscores intensifying Philippine efforts to fight China鈥檚 increasingly aggressive actions, against many odds, in one of the world鈥檚 most hotly contested waters.

Chinese coast guard vessels laid the rope and net barrier, held up by buoys, last week as a Philippine government fisheries vessel approached and more than 50 Philippine fishing boats swarmed outside the shoal, the Philippine coast guard said.

It said in a statement Monday night that it successfully removed the floating barrier in a 鈥渟pecial operation鈥 in compliance with the order of President Ferdinand Marcos Jr. It did not provide other details, such as whether the entire barrier was removed, when the operation occurred and how Chinese coast guard ships, which have closely guarded the shoal for years, reacted.

鈥淭he decisive action of the Philippine coast guard to remove the barrier aligns with international law and the Philippines鈥 sovereignty over the shoal,鈥 the coast guard said. It said it 鈥渞emains committed to upholding international law, safeguarding the welfare of Filipino fisherfolk and protecting the rights of the Philippines in its territorial waters.鈥

Video issued by the Philippine coast guard in Manila shows a diver cutting part of what appears to be the barrier rope. In another video, a man on a motorboat tries to lift what appears to be part of the barrier.

Earlier Monday, Philippine 春色直播 Security Adviser Eduardo Ano said that 鈥渢he placement by the People鈥檚 Republic of China of a barrier violates the traditional fishing rights of our fishermen."

In Beijing, Chinese Foreign Ministry spokesperson Wang Wenbin said the shoal and its adjacent waters are 鈥淐hina鈥檚 inherent territory,鈥 where Beijing 鈥渉as indisputable sovereignty.鈥

A Philippine government fisheries vessel 鈥渢respassed into the waters鈥 without China's permission last Friday, Wang said, and 鈥渁ttempted to intrude into the lagoon鈥 of the shoal. "China鈥檚 coast guard took the necessary measures to stop and warn off the ship in accordance with the law, which was professional and with restraint,鈥 he added.

It's the latest flare-up in in the busy and resource-rich waterway, most of which is claimed by China. The Philippines, Vietnam, Malaysia, Brunei and Taiwan are involved with China in the conflicts, which have long been regarded as a potential Asian flashpoint and a delicate fault line in the U.S.-China rivalry in the region.

Washington lays no claim to the sea passageway, a major global trade route, but U.S. Navy ships and fighter jets have for decades to challenge China鈥檚 expansive claims and promote freedom of navigation and overflight. China has told the U.S. to stop meddling in what it says is a purely Asian dispute.

The Chinese barrier denied Filipinos access to the rich fishing lagoon surrounded by underwater coral outcrops, Philippine coast guard spokesperson Commodore Jay Tarriela said.

He said China's coast guard installs the removable barrier when Philippine fishing boats show up in large numbers near the shoal.

鈥淚t鈥檚 an illegal and illegitimate action coming from the People鈥檚 Republic of China,鈥 Tarriela told reporters. 鈥淒efinitely it affects our food security.鈥

A Philippine Bureau of Fisheries and Aquatic Resources ship which anchored off Scarborough on Friday and at least 54 Filipino fishing boats were ordered by four Chinese coast guard ships by radio to leave the territory, saying the Filipinos were breaching Chinese and international law. The Philippine fisheries ship insisted in its radio response that it was on a routine patrol in Philippine waters, Tarriela said.

The Philippines says Scarborough Shoal lies within its exclusive economic zone, a 200-nautical mile (370-kilometer) stretch of water where coastal states have exclusive rights to fish and other resources.

Those rights were upheld by a 2016 arbitration decision set up under the 1982 U.N. Convention on the Law of the Sea, Ano said.

China refused to participate in the arbitration sought by the Philippines in 2013, a year after a tense standoff between Chinese and Philippine ships at Scarborough. Beijing refused to recognize the 2016 arbitration ruling and continues to defy it.

The 2012 standoff ended with Chinese ships seizing and surrounding the atoll.

Chinese coast guard ships have also blocked Philippine government vessels delivering supplies and personnel to Philippine-occupied Second Thomas Shoal, resulting in that the Philippine government has condemned and protested.

it鈥檚 obligated to defend the Philippines, its oldest treaty ally in Asia, if Filipino forces, ships and aircraft come under attack, including in the South China Sea.

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