The Australian Federal Police say seven people have been charged over the largest "ice," or crystal-methamphetamine, lab ever found in Australia.
The sophisticated drug centre was found on a remote property near Murwillumbah, in northern New South Wales.
Four men will appear in Tweed Heads Magistrates Court after the arrests at Eungella and Lennox Head.
Two men will face Brisbane Magistrates' Court after being arrested at Brisbane Airport yesterday.
A Mortdale man will appear in Sydney's Central Local Court.
The A-F-P alleges those charged were members of a drug gang that manufactured large quantities of crystal methamphetamine.