Man in a Walmart gym equipment shot and killed his girlfriend and two children in an apparent case of domestic violence.

According to the Jefferson County Sheriff’s Office, deputies responded to a domestic violence call in the 500 block of S. Main St., Jefferson County, Missouri, around 6:40 p.m.

Friday.

The caller told deputies that her boyfriend had been involved in a physical fight with his girlfriend’s sister.

Deputies say the sister had told the boyfriend that she was going to kill herself.

When deputies arrived, they found the woman dead from multiple gunshot wounds.

Her boyfriend was transported to a local hospital with life-threatening injuries.

The suspect was pronounced dead at the scene.

Police say the three children, ages 4, 5 and 8, were unharmed.

They are currently being transported to an area hospital for evaluation.

The sheriff’s office is asking anyone with information on this incident to call the Jefferson Memorial Homicide Unit at 816-973-1300.