A group of unidentified persons poured acid on two sisters while they were sleeping in their house at Chandrapur Municipality in Rautahat district on Tuesday night.

Critically injured in the incident, both of them have been sent to Kathmandu for further treatment, police said.

Unidentified persons entered the house and poured acid on the face of my both daughters at 12 pm yesterday and fled away, the victims’ father said.

“I was not in the house when the incident occurred. My daughters and their mother were in the house. Unidentified persons pour acid on my daughters’ face before fleeing the scene.”

Both them have sustained injuries on their eyes, face and head. The duo are not in a condition to speak, police said.

Chandranigahapur Hospital referred both of them to Kathmandu for further treatment at around 5 am today.

DSP Yuvaraj Khadka said that police are searching for the perpetrators. “We are investigating the case and started a manhunt to nab the culprits.

The injured sisters said that they have not identified the attackers.

Police are searching for the acid attackers in the suspected areas.