The United States has formally expressed its opposition to China’s recent coast guard patrols in waters near Taiwan, according to Secretary of State Marco Rubio. Speaking on Wednesday, Rubio said Washington has made its position clear to Beijing and views the operations as harmful to stability in the region.

The comments underscore continuing friction over activity around Taiwan, where military and law enforcement movements are closely watched by governments across the Indo-Pacific. In this case, the U.S. response focused on the use of coast guard vessels, which Washington believes can still raise tensions even if they are not naval deployments.

Rubio’s remarks reflect the broader U.S. stance that actions seen as increasing pressure near Taiwan risk upsetting the status quo. By publicly stating its disagreement, the United States is signaling concern not only about the patrols themselves but also about their potential effect on regional security and diplomatic relations.

The latest exchange adds to the already sensitive atmosphere surrounding Taiwan and cross-strait activity. While no new policy was announced, Rubio’s statement makes clear that Washington is pushing back against moves it believes could further destabilize the area.