Chinese police teamed up with Myanmar police to take down a large drug trafficking ring,arresting over 100 people and seizing 267 kilograms of illegal substances.

Police in Wuhan, central China's Hubei Province, revealed that the ring disguised drugs including heroin and crystal meth as “tea bricks” and smuggled them from Myanmar to Hubei via China's border province of Yunnan.

Police from the provinces of Yunnan, Hubei and Hunan had been working together to track down the gang since last year, and Myanmar police arrested the ring leader nicknamed “Lao Guang” and repatriated him to China, according to the public security bureau of Wuhan.

The gang used a complex network to facilitate other crimes such as running casinos,according to the police.