Escalation of South China Sea tensions and maritime activities in 2025

In 2025, the South China Sea experienced a significant escalation in tensions marked by increased confrontations and militarization. China, Vietnam, the United States, and the Philippines were actively involved in maritime patrols and military activities, which complicated the ongoing negotiations for an ASEAN–China Code of Conduct. The China Coast Guard and the People's Liberation Army Navy conducted patrols and deployed armed boats, while Vietnam and the Philippines also enhanced their military presence in the region. These actions included the use of water cannons against fishing vessels and the deployment of missiles and military exercises around key locations such as the Spratly Islands and Scarborough Shoal. Malaysia and ASEAN were also stakeholders in the situation, with ASEAN hosting negotiations aimed at managing the disputes. Despite announcements of progress in these negotiations, the overall situation remained tense due to the competing claims and military activities. The escalation highlighted the complex geopolitical dynamics in the South China Sea and the challenges in achieving a peaceful resolution.