Aurangabad, March 27 A man allegedly murdered his two young nephews and a niece in Aurangabad district, Bihar, over a family dispute on Friday, police said.
The incident took place in the Haspura police station area of the district, they said.
"The man killed the three children with a sharp knife. All the children were under the age of 10. The bodies have been sent for post-mortem examination," a police officer said.
After killing the three children, the accused also attempted to kill himself, he said.
He was initially admitted to the Sadar Hospital for treatment, but was later referred to Gaya Medical College and Hospital, police said.
SDPO (Daudnagar) Ashok Kumar Das said the accused had locked the room from the inside before the incident.
"We had to break through the ventilator to get in," he said.
"The accused and his brother work in train pantry cars. The accused returned home on Tuesday, while his brother is still at work outside the state," he added.