HETAUNDA: A 36-year-old Shyam Prasad Dahal of Hetauda Sub-Metropolitan City-16, sustained critical injuries when an unidentified group detonated cylinder bomb in the same ward on Wednesday night.

Dahal has been rushed to Kathmandu for further treatment, said the Makawanpur District Police Office.

A police team has reached the explosion site and is investigating the incident, said Superintendant of Police at District Police Office, Basanta Lama.