A woman was critically injured in a blast inside her house in Shrinagar colony here on Wednesday, police said.
The cause of the blast still remains unknown, a police official of police station PGIMS Rohtak said.
"The neighbours initially suspected that the blast took place due to an LPG cylinder, but it was found intact. It is still not clear what caused the blast," he said.
"Forensic experts have collected samples from the incident site and further investigations are underway," he added.
The official said the woman has been admitted to PGIMS hospital here.
Police said the woman, who was living on rent in the house, was still not in a condition to give a statement.