The seized drugs included 1 kilogram of ketamine, 105 grams of happy water, 1.9 million stimulant pills and 50 grams of heroin, Xinhua news agency quoted state-run The Mirror daily as saying.

Narcotic drugs were seized in Dagon Myothit (North) Township of Yangon Region on 8 September and Chanmyathazi Township of Mandalay Region on 13 September.

A total of four suspects were arrested in connection with the case and the drugs seized were worth approximately US$1.1 million, the report said.

It said the suspects have been charged under the laws of the country and further investigation is ongoing.