Jatiyatabadi Swechchasebak Dal President Shafiul Bari Babu died at a hospital in Dhaka early today.
He was 49.
Babu breathed his last at Evercare Hospital at 3:45 am while undergoing treatment, Abdul Qadir Bhuiyan Jewel, general secretary of Jatiyatabadi Swechchasebak Dal, told The Daily Star.
He had been suffering from lung infection for some days with respiratory problem, said Golam Sarwar, vice president of the voluntary front of Bangladesh Nationalist Party (BNP).
Primarily, he stayed at his home in Eskaton following the advice of a doctor. After his breathing problem suddenly increased on Monday, he was rushed to Anwar Khan Hospital.
Later, he was shifted to Evercare Hospital at 1:52 am as his condition was deteriorating, he said adding Babu had tested Covid-19 negative.
He left behind his wife, a son, a daughter, relatives and well-wishers to mourn his death.
BNP Acting Chairman Tarique Rahman and Secretary General Mirza Fakhrul Islam Alamgir have expressed deep condolence over his death.