Singapore working to list etomidate as illegal drug; one third of vapes seized found to contain it : r worldnews Bye bye vaping: Buying, using e cigarettes in S'pore illegal from Feb. 1, 2018 Mothership.SG News from Singapore, Asia and around the world 177 people arriving at Changi Airport found with vapes in multi day operation CNA Singapore to cane and jail dealers of drug laced vapes South China Morning Post Foreigners caught vaping may have passes revoked, be banned from re entering Singapore Yahoo News Singapore