Two adults have died in a home in the 500 block of Seneca Avenue Northwest, possibly of carbon-dioxide poisoning, according to the Renton Police Department.

Relatives visiting the home at about 3 p.m. Monday found the victims dead inside, according to police.

The fire department detected an elevated level of CO2 inside the residence and was investigating to determine if CO2 poisoning was the cause of death, according to police.

There is no further information  at the time.

The Renton Reporter will update this story as new information becomes available.