Australian authorities recently seized nearly $1 billion in liquid methamphetamine that had been hidden inside gel bras and art sets, the Australian Broadcasting Corp. reported on Monday.<br />The consequent investigation led officials to various storage facilities in suburban Sydney, where another 530 L had been stored in painting sets and bottles of craft glue.<br />Authorities have arrested four Hong Kong nationals - three men and one woman ranging in age from 33 to 59 - in relation to the smuggling of the drug.<br />Federal Justice Minister Michael Keenan placed the street value of the total contraband at around $900 million and said it amounted to "3.6 million individual hits" of meth.