A joint drill on handling water emergencies among law enforcement forces from China, Laos, Myanmar and Thailand was held on Thursday morning on the Lancang River in Xishuangbanna Dai Autonomous Prefecture, southwest China's Yunnan Province.

A total of 121 law enforcement personnel and 10 patrol vessels took part in the drill, which consisted of two parts: a fleet review and a real-combat exercise.

The successful conclusion of the drill comprehensively assessed the four countries' rapid response, emergency handling, joint command and cooperative operational capabilities in addressing water emergencies along the Lancang-Mekong River and maintaining regional security.