Rapid Action Battalion (Rab) detained a man along with 3,840 yaba pills from Brahmanbaria town early today.
Arrestee Shakil Khandaker, 45, is a professional drug trader, said Rafiuddin Mohammad Jubair, company commander of Rab-14 of Bhairab camp.
Shakil is the head of a drug peddling ring which used to collect yaba from the border and supply it to different places, our local correspondent reports quoting him.
A team of Rab-14 raided the house of Shakil in Uttar Poirtola area of the district town around 12:45am and arrested him along with the pills.
Later, he was handed over to Brahmanbaria Sadar Model Police Station.