Six people have been found dead at a rural home near the western US city of Seattle in Washington State, BBC reported Thursday.
The victims, including two children, died on Christmas Eve, most likely from gunshot wounds, police reported.
A man and woman, who arrived at the house while investigators were examining the crime scene were arrested, police spokesman revealed.
The suspects have not been named, but police say they knew the victims.
The bodies were found in Carnation, Washington. Police say they believe the victims were three generations of the same family.