US Defense Secretary Pete Hegseth reaffirmed Washington’s “ironclad” commitment to a mutual defense treaty with the Philippines during a call with his counterpart in Manila in the face of geopolitical tensions in South China Sea.

According to Philippine media reports, the US, the Philippines, Australia, and Japan held a joint maritime exercise in the South China Sea on Wednesday. At the same time, Philippine media did not hesitate to hype the so-called Chinese "monster ship.

Chinese scientists have deployed several prototype detectors to locate neutrinos in the South China Sea, the Institute of High Energy Physics under the Chinese Academy of Sciences announced on Wednesday.

The joint patrol on Tuesday over the Scarborough Shoal was the first by the longtime treaty allies since President Donald Trump took office again.

The South China Sea is a complex geopolitical issue involving territorial disputes, military tensions, and conflicting claims by littoral countries including China. Analysts say as the waterway is one of Beijing’s core interests, it is also listed as “highly sensitive” by censors.

The latest Maritime Security Threat Advisory from Dryad Global states that China’s military activity near Scarborough Shoal in

US Secretary of Defense Pete Hegseth reaffirmed Washington’s “ironclad” commitment to a mutual defense treaty with the Philippines during a call with his counterpart in Manila in the face of geopolitical tensions in the South China Sea.

China has conducted military patrols in the South China Sea while the Philippines was holding joint naval drills with the U.S., Japan and Australia, saying Manila is undermining Beijing's claims in the region.