Seven people fell ill at the same time on Sunday night after drinking distilled alcohol together on that night, then five died.
Five people including three drug dealers have died of alcohol poisoning in the Shnerhat area of Pirganj in Rangpur. Two more have been admitted to Rangpur Medical College and Hospital in critical condition.
The deceased have been identified as Abdur Razzak, Dula Mia, Zahidul Haque, Chandan Kumar and Lulu mia.
Maruf Hossen, additional superintendent of Rangpur District Police said that seven people fell ill at the same time on Sunday night after drinking distilled alcohol together.
"Their family tried to hide this fact and was treating them at home. Meanwhile, two of them died," he said.
Sources at the police said, "The police are investigating the incident and legal action will be taken against those responsible after the investigation report comes out."
"The autopsy report will reveal whether they died of alcohol poisoning or of something else," police said.