The arrests come just as millions of Americans get ready to head out for trick-or-treating, parties, and other Halloween celebrations over the weekend.
The authority said that S$4,924.20 in cash and a number of vape-related items, including 115 vape pods and 13 vapes thought to contain etomidate, were seized.
With millions of Americans getting ready for trick-or-treating, parties, and other Halloween celebrations, Patel said the arrests likely prevented a major tragedy.
The trip was reportedly one of several occasions in the early 2000s when Andrew took advantage of taxpayer-funded travel while serving as the UK's Trade Envoy.