Media playback is unsupported on your device Media caption Footage of the raid showed police making arrests and uncovering the drugs

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.

The village has an estimated population of about 14,000, state media said. A number of families who live in Boshe have been investigated in connection with drugs, it added.

In addition to the methamphetamine, 260kg (573lbs) of the narcotic ketamine powder and other raw materials used in drug production were also confiscated.

Officials did not disclose the value of the drugs.

Three police officers were injured during the operation, said Guo Shaobo, an official with the Guangdong Department of Public Security.

He added that the three were in "good condition" and were being treated in hospital.