Massive fentanyl haul seized in Asia's biggest-ever drug bust
The seizure showed the methods of the drug syndicates were changing.
Undated handout photo of precursor chemicals used to make illicit drugs such as methamphetamine, ketamine, heroin and fentanyl seized by Myanmar police and military near Loikan village in Shan State(photo credit: MYANMAR POLICE/UNODC/HANDOUT VIA REUTERS)