HANGU, Feb 10: Three members of a family, including a boy, died of suffocation here in a local hospital on Saturday night, hospital sources said.

They said that the family had brought a seven-year-old boy, Hamidullah, to the hospital from Karboogha Sharif locality and was admitted there.

The hospital staff said that the family had lit a gas heater in the room from a cylinder, which was leaking. During the night the room got filled with gas, resulting in the death of the three family members, the staff added.