Police have arrested one Himon Rahman Shikdar, an Adabar Thana Jubo League activist and an associate of Alamgir, the motorcyclist allegedly involved in the killing of Inqilab Mancha spokesperson and Dhaka-8 prospective candidate Sharif Osman Hadi.

The arrest was made on Wednesday around 2pm during a raid at a residential hotel in the Adabar area, based on secret information received by the Intelligence and Analysis Division (IAD), said Officer-in-charge of Adabar Thana Ziaur Rahman.

Following information provided by the arrestee, police recovered a foreign-made pistol, three rounds of live ammunition, fireworks, crackers, gunpowder and various materials used for making cocktails from the house of his associate Mehdi in the Baitul Aman Housing area under Adabar Thana.

Police said preliminary interrogation revealed that Himon Rahman Shikdar and his associate were planning subversive activities. Efforts are underway to arrest others involved in the incident.