南部战区正告菲方：引入外部势力撑腰注定徒劳无益

Group 1 - The article highlights the routine patrol conducted by the Southern Theater Command of the People's Liberation Army in the South China Sea from September 12 to 13, emphasizing the importance of maintaining national sovereignty and regional stability [1] - It addresses the Philippines' attempts to involve external forces in joint patrols, which are seen as efforts to undermine peace and stability in the region [1] - The Southern Theater Command warns the Philippines to cease actions that escalate tensions and provoke conflicts in the South China Sea, asserting that any attempts to disrupt the situation will be futile [1]