Large haul of ketamine, heroin seized 14 Drugs in sacks of flour believed headed for Taiwan published : 16 Dec 2020 at 17:44 Ketamine crystals (Photo: Wiki commons) Narcotic Suppression Bureau (NSB) police seized about 300 kilogrammes of ketamine in a raid on a warehouse in Nonthaburi and 200kg of heroin in a subsequent search of a rented house in Bangkok's Huay Khwang district, in the small hours of Wednesday, deputy police chief Pol Gen Manu Mekmok said. About 1am, police raided a warehouse in tambon Thawi Watthana in Sai Noy district, Nonthaburi. They found and seized 39 sacks labelled flour, about 850kg in total. On close examination, a smaller bag of ketamine was found hidden in every sack of flour. About 300kg of ketamine was collected from the 39 sacks.