The sailors died in a raid on two Chinese cargo boats on the Mekong on October 5 — an attack thought to have been carried out by a notorious gang in the “Golden Triangle” area known for drug smuggling.
Police in Thailand have since detained nine soldiers suspected of killing the sailors, and also thought to have links to a Myanmar drug kingpin.
The state-run China Daily newspaper quoted the Ministry of Public Security as saying China and its Southeast Asian neighbours — believed to be Thailand, Laos and Myanmar — would begin armed patrols on the river next month.
The report also quoted Yang Xi, a spokesperson for the Yunnan border corps, as saying that patrol forces would escort both Chinese ships and those from other countries.
The Mekong flows through Yunnan into southeast Asia.
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The river normally serves as a major trade route. (AFP)