Prosecutors say Pecker's actions helped Trump deceive voters in the 2016 election
He passed away at the capital’s Labaid Hospital at 8:15 am on Saturday, said Biplab Barua, the Awami League’s office secretary.
Mannan was hospitalised on Thursday before being put on life support when his condition deteriorated.
A native of Hindukandi in Bogura’s Sariakandi Upazila, Mannan was twice elected to parliament from Bogura in 2014 and 2018.
He had previously served as an organising secretary to the ruling party and was also a former president of the Bangladesh Chhatra League.