Law enforcement officials in the Northern Marianas (CNMI) have intercepted crystal methamphetamine or 'ice' hidden in silicon tubes inside a shipping container from China.
The CNMI Division of Customs said over a kilogramme of the highly addictive stimulant were discovered during a routine inspection and had an estimated street value of $US481,000.
The drugs were hidden inside 24 tubes.
Customs said the illegal drugs were shipped by someone known by law enforcement officials.
It becomes the largest illegal drugs seizure in the CNMI since 2018.