A Severe Thunderstorm Watch is out for for much of northern and eastern Kentucky until 9 p.m. This is just east of the Lexington metro.
Six people are found dead in two homes, in two different states, but police say the crimes are connected.
Five people were found in a home in Fayetteville, Tennessee and the sixth in a home in Huntsville, Alabama.
Police say some of the victims are related.
No names are being released, nor is a cause of death.
It's not clear where the suspect was apprehended, or the relationship with the victims, and no official motive has been named.
Fayetteville is a town of around 7-thousand people, about 90 miles south of Nashville near the Tennessee-Alabama border.