Chinese and Philippine maritime forces engaged in a physical clash at the Second Thomas Shoal on Monday, escalating tensions in the South China Sea at a critical diplomatic juncture.

Personnel on a Chinese speedboat and a Philippine dinghy came to blows, according to reports from the scene, as both sides exchanged fresh accusations regarding the incident.

The confrontation occurred just as China's top diplomat was scheduled to attend the Association of Southeast Asian Nations (ASEAN) foreign ministers' meeting in Manila.

The timing of the incident underscores the fragility of diplomatic efforts to de-escalate regional disputes, with the physical altercation serving as a stark reminder of the underlying friction between Beijing and Manila.

This latest incident follows a pattern of increasing assertiveness by Chinese coast guard vessels in the region.

The Philippine military has previously accused China's coast guard of physically assaulting Filipino sailors during confrontations, alleging the use of batons against personnel.