A witness in the Gofran murder case was killed by the allegedly prime accused at Kalapani Achalong Para under Manikchhari upazila yesterday afternoon.
The victim was Mominul Hoque, 55, a resident of the same vicinity.
Superintendent of Police SK Mizanur Rahman said Ali Hossain, 48, was the prime accused in the village doctor Gofran killing case.
Ali Hossain and his two sons Abdul Malek, 23, and Abdul Khaleq, 21, attacked Mominul around 12:55pm yesterday afternoon with a knife, he added.
Locals rushed Mominul to Manikchhari upazila health complex where the on-duty doctor declared him dead.
The village doctor, Gofran, was killed in 2009.
Ali Hossain had been in jail till mid-June of 2011 and later released on bail from the High Court.
Since then, he always threatened the witness, Mominul, with murder, said locals.
