Law enforcement authorities from China, Laos, Myanmar and Thailand joined forces to conduct the 111th joint Mekong River patrol, Xinhua reported.

Two Chinese vessels departed for the patrol from Jingha Port in the Xishuangbanna Dai Autonomous Prefecture of southwest China's Yunnan Province, said the Yunnan public security department.

During the patrol, the four countries will carry out joint law enforcement activities in key waters of the river, and make every effort to ensure the security and stability of the river basin.