The investigation committee of Kashimpur Jail authorities found no negligence of prison officials in the death of writer Mushtaq Ahmed in custody.
The 3-member committee has submitted its findings to the home ministry on Wednesday, Deutsche Welle reports quoting Md Mominur Rahman Mamun, the inspector general (IG) of the Department of Prisons.
"We did not find any negligence. In fact, I would like to describe it as a normal death as he has certainly died from a disease," he said.
Meanwhile, another probe body formed by the home ministry also submitted its probe report to the ministry today.
The 5-member body submitted the report to the senior secretary of Security Services Department of the ministry.
Taruk Kanti Sikder, additional secretary to the ministry and chief of the probe body, confirmed the matter to The Business Standard.
But he declined to make any comment on the findings, saying that Home Minister Asaduzzaman Khan might disclose those later.
"I cannot share the findings right now, you may get one copy tomorrow while the home minister will hold a briefing on it," he added.
Write Mushtaq, arrested nearly 10 months ago under the digital security act, died at the highly secured prison on 25 February.
After his death, protests erupted across the country demanding abolition of DSA.