Police in the southeastern Chinese border town of Zhuhai have recently seized 11.5 kilograms of heroin and arrested five suspected drug traffickers, Xinhua News Agency reports.

It is reportedly the biggest drug case in China in three years. Besides the large amount of heroin, police also confiscated other drugs, raw materials, a pistol and 97 bullets.

An unnamed police chief at the Zhuhai Frontier Police Branch said on Monday, August 24, that they obtained information in early February this year that a gang was smuggling drugs to the Pearly River Delta region from the Golden Triangle, a roughly 350,000-square-kilometer area in Southeast Asia that has been one of the world's main sources of illegal drugs.

The police again received information in July that two leaders of the gang �� a 42 year old "San Ge" and a 37 year old "Zhong Ge" �� would transact business in Zhuhai. San Ge, born in Hainan in south China, went to Cambodia when he was 25 and was the overseas ringleader of the gang who operated under the guise of a Chinese teacher and wood salesman. Zhong Ge from Taiwan was a notorious drug trafficker in the Pearl River Delta area.

The case is still under further investigation.