Abdul Kuddus, Awami League lawmaker of Natore-4 constituency, died at a hospital in Dhaka on Wednesday.
He was 77.
Kuddus, president of Natore district unit of Awami League, had been undergoing treatment at the Intensive Care Unit of United Hospital where he breathed his last at 7:22am, said Shariful Islam Ramjan, general secretary of Natore district Awami League.
He is survived by his wife, a son and a daughter.
Earlier on Saturday, the Awami League leader fell ill and was brought to Dhaka.
He had been suffering from old age complications including respiratory problem.
Kuddus, a freedom fighter, was elected MP of Natore-4 constituency five times.