The man, identified as Mohammad Haroon, set afire his wife Rukhsana Khatun (22) and their two children, Zishan (4) and Ena (1), last night following a quarrel between him and his wife, Sub-Divisional Police Officer Dilnawaz Ahmed said.
The woman and children died on the spot, he said, adding the bodies have been sent for post-mortem at Darbhanga Medical College and Hospital.
The accused fled from the village after the incident, Ahmed said, adding a murder case has been registered against Haroon by his wife's mother.
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