Police in China have confiscated three tonnes of the drug methamphetamine and arrested 182 people during raids at a village, officials say.
The drug, also known as crystal meth or "ice", was seized in Boshe village, Lufeng city, Guangdong province.
Police told state media that more than a third of China's methamphetamine came from Lufeng in the last three years.
The raids involved at least 3,000 police operatives, two helicopters and speedboats, an official statement said.
The operation began on 29 December, with officials making the announcement late on Thursday.
"The village has made a criminal drug production a 'clan-based, industrialised operation with local protection'," the Associated Press news agency quoted a police statement as saying.
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