Mystery surrounded death of a day labourer in Gazaria upazila on Sunday night. The deceased was identified as Siddikur Rahman, 60, a day-labourer and resident of Tentuilla village of the upazila.
Police said Siddik instantly fell seriously sick and died after taking soft drink along with his friend Khokon Dewan, from a shop at the village Sunday. On information police recovered his body and sent it to hospital morgue for autopsy.
A murder case was lodged with thana that night. Khokon Dewan was named as prime accused in the case.
Police suspected poison was mixed with soft drink to kill Siddik.