The 93rd Mekong River joint patrol by China, Laos, Myanmar and Thailand concluded as three Chinese law enforcement vessels returned to Guanlei Port in southwest China’s Yunnan Province, Xinhua reported.

A total of 105 law enforcement officers from the four countries participated in the mission, according to the Yunnan provincial public security department.

The officers examined 37 vehicles, 56 people and 23.9 tonnes of cargo during joint operations.