Nepal police arrested 39-year-old Thai national Yongyut Thuion at the arrival tunnel gate of Tribhuvan International Airport in Kathmandu on the night of Monday, 23 March 2026.[1] He was stopped in a security check as he landed in Kathmandu from Bangkok on a Thai Airways flight.[1] Airport security officers found the cannabis in his suitcase.[2]

The Tribhuvan International Airport Security Office put the cannabis at 3.435 kg, a weight that includes plastic wrapping, and identified him by passport number AC 2566356.[3] He had flown in on Thai Airways flight TG 309.[4] Deputy Superintendent of Police Dhundiraj Neupane of the Airport Security Office gave the account, and the Nepali report says officers checked the man because his behaviour looked suspicious.[4]

Police took him into custody at the arrival tunnel gate and sent him to the Narcotics Control Bureau in Koteshwor for further action.[3]