NANNING, March 18 (Xinhua) -- Police in south China's Guangxi Zhuang Autonomous Region busted a cross-border drug gang, with more than 25.7 kg of heroin seized, regional police department announced.

A total of 20 suspects were seized in the joint-operation of police from Guangxi and Yunnan Province.

In May 2018, a drug gang in the city of Liuzhou caught the attention of local police. Investigation showed that the gang was connected with a bigger drug dealing network.

The gang was busted on Dec. 13 and 14, 2018, when trying to transport a batch of heroin from Myanmar to the city of Nanning in Guangxi.

Further investigation is underway.