Hong Kong authorities seize 1.8 tonnes of liquid meth hidden in coconut water cartons bound for AustraliaHong Kong has made its biggest ever seizure of methamphetamine after uncovering a shipment arriving from Mexico worth more than $HK1 billion (more than $198 million), authorities have said.Key points:- Hong Kong authorities find 1.8 tonnes of liquid meth hidden in cartons of coconut water- An official says "it was packaged in [South America] ... to be sent to Australia"- The bust came days after another shipment was found hidden in electrical transformersCustoms officials found a record-breaking 1.8 tonnes of liquid meth hidden in cartons of coconut water en route for Australia on Saturday.Hong Kong has so far this year uncovered more than double the meth seized in the whole of last year, with almost three tonnes confiscated by authorities.Hong Kong authorities were alerted via intelligence exchanges with overseas law enforcement to the possibility of large liquid meth shipments arriving in the city, customs official said.The previous largest meth bust in Hong Kong came in April when officials found 700 kilograms of the drug hidden in industrial equipment from Mexico."