
The deceased were identified as Jamal Uddin, 6, and Tanjina, 4, son and daughter of Abul Kashem, 45.
Harbang union parishad panel chairman Rashid Ahmed said, Abul Kashem, a Rohingya, and his wife Sayera Khatun, 35, regularly engaged with quarrel.
As a sequel to the brawl, Kashem hacked his wife and children with a sharp weapon around 2am, leaving the children dead on the spot and the wife injured.Sayera escaped the scene with the injury.
Besides, Kashem slaughtered three of their goats in a state of frenzy.
Hearing Sayera's cry for help, local people rushed in, caught Kashem and handed him over to police.
Later, police recovered the bodies and sent those to Sadar Hospital morgue, said Chakaria Police Station OC Prabash Chandra Dhar.
TF/LY