Habiganj police have detained one person in connection with the recovery of 70,000 ammunition in Bogra 12 years ago.
The detainee is Ashish Deb Barma, 35, son of Sachindra Barma.
Assistant Police Super Masudur Rahman Monir said: "Acting on a tip-off, a team of Habiganj police held Ashish from Hatchhari slum early Thursday."
He said Ashish was involved in the arms and ammunition recovery at Kahalu of Bogra in 2003.
Ashish is also accused in four others cases filed under arms act, said the official.
He said: "Police is investigating whether Ashish was involved with the arms recovery in Habiganj's Satchhari."