A man was stabbed to death in Kamrangirchar in the capital on Wednesday morning.
The deceased has been identified as Mohammad Helal, 40.The incident took place in a house near Mahatab Gas Pump.
Shahin Fakir, officer-in-charge of Kamrangirchar Police Station, said that Helal with a woman, Sabina, 35, from Pabna hired a room of the house on Tuesday.
The two introduced themselves as husband and wife to the house owner.
On Wednesday morning, Sani, son of Sabina, came to the house, stabbed Helal mercilessly and fled the scene, leaving him fatally wounded, police said.
He was raced to Dhaka Medical College Hospital where doctors pronounced him dead.
The OC said they are trying to arrest Sani.