Poet Shahabuddin Nagari was arrested from Nikunja Residentioal Area at Khilkhet in the capital on Monday morning.
Police conducted a drive in the area from early hours of Monday to nab him over a murder case. At one stage police detained him around 7:00 am this morning.
"New Market Police picked up Nagari from Nikunja area in the capital. He along with others was booked over the murder of a businessman Nurul Islam on April 13," a DMP release said.
Nurul Islam was found dead in the bedroom of his flat in Dom Inno Apartment Complex at Elephant Road in the capital.
Deceased's sister Shahana Rahman filed a murder case against victim's wife, her friend Nagari and a couple of other unidentified people the next day.