Maqbul Hossain, father of martyr Abu Sayeed, has been admitted to the Dhaka Combined Military Hospital (CMH) for advanced cardiac care following a heart attack.
The 74-year-old was flown to Dhaka on Tuesday night via an army helicopter, said his elder son, Ramzan Ali.
He said that doctors recommended transferring Maqbul Hossain to Dhaka CMH after his condition deteriorated.
Earlier, on December 7, Maqbul was admitted to Rangpur CMH with fever and stomach pain. However, his health worsened, and he was shifted to the ICU of Rangpur Medical College Hospital on December 10 for closer monitoring.
Subsequent tests confirmed he had suffered a heart attack, prompting the decision to move him to Dhaka for specialised treatment.
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Abu Sayed was the first killed in police firing during the Anti-Discrimination Student Movement. Sayed, a student of Begum Rokeya University, Rangpur, was shot dead on July 16. Assistant Sub-Inspector (ASI) Amir Hossain and Constable Sujan Chandra Roy were suspended and attached to the police lines for their alleged involvement with this killing.