The police seized 544 grams of heroin worth Rs 18 lakh from two persons at a checkpost in Champhai district bordering Myanmar.
One of the man arrrested in connection with yesterday's seizure was a Myanmarese national, the police said today.
The second man was a resident of Darlung village in Mamit district bordering Tripura.
The two persons were booked under relevant sections of the Narcotic Drugs and Psychotropic Substances Act, 1985.
Champhai district police also seized 400 sticks of gelatin and wild medicinal plant known as 'Anchiri' at the same Khankawn checkpost last night.
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