Detectives arrested a local leader of Jatiyatabadi Chhatra Dal (JCD), the student front of the BNP, from Mirpur BGB sector along the Kushtia-Meherpur road on Monday.
The arrestee is Khandkar Taslim Nishat, 22, member secretary of Kushtia District Chhatra Dal Convenor Committee.
Kushtia District Detective Branch of Police Officer-in-Charge (OC) Nasir Uddin said a team of detectives conducted a drive in the area and arrested Nishat from the Mirpur BGB sector along Kushtia-Meherpur road.
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The law enforcers also seized a foreign pistol and two rounds of bullets from his possession, the OC added.
However, Khandakar Tipu Sultan, father of Nishat, claimed that no arms and bullets were recovered from his son during the arrest.
He said that his son was drinking tea with his friends while sitting in the canteen of BGB after appearing in court for a case on Monday.
DB police arrested him from there, he added.