Five family members were on Saturday morning found dead in their house in Githurai 45 in Kiambu County.
Police say the five, husband wife and three children might have died after inhaling carbon monoxide.
Ruiru Sub County Commander Phineas Ringera said that they found a jiko in the house of the couple.
Ringera however stated that further investigations are still being carried out to acsertain the cause of death.
All the five bodies have been moved to the City Mortuary.