Three including father and his two children died of asphyxiation due to gas leakage late Saturday night.
According to details, three people including father, son and a daughter slept night in a rest house at Pindipoint locality of Murree turning on the gas heater.
The gas heater turned off due to lack pressure and the gas leakage continued resulting in death of all three persons due to suffocation.
The bodies were shifted to Civil Hospital for medico-legal-requirements.