Lawyer Bhuvan Chandra Sheel, who was earlier shot by miscreants in Tejgaon Industrial area of the capital, succumbed to his injuries on Monday morning at a hospital in the city.
According to the victim's sister-in-law Joysri Rani, he died around 10:30am while on life support at Dhanmondi Popular Hospital.
The body will be sent to Dhaka Medical College Hospital (DMCH) morgue for autopsy, he added.
Earlier on Monday (18 September), three people, including top criminal Tariq Saeed Mamun, were injured in a gun and knife attack by a group of unidentified persons near the Bangladesh Government Press area in the capital's Tejgaon.
The two other injured persons were - Bhuvan Chandra Sheel and Ariful Haque, two "pedestrians".
Mamun was stabbed in the incident while Bhuvan sustained bullet wounds, he said.
Meanwhile, Bhuvan was shot in the head and Ariful was hurt. Later, they were taken to the Dhaka Medical College Hospital for treatment.
Bhuvan was later shifted to the capital's Popular Hospital to treat his bullet wounds.
BDST: 1322 HRS, SEP 25, 2023
SMS