Mark and Sarah Humiston were identified as two of the the victims who died, according to an employer and multiple news outlets. Three of their children were killed in the attack. The suspect and the victims, including an 11-year-old who was injured in the shooting, are related, officials have said.

More than 24 hours after five people were found shot dead in a Washington state home, including three school-age children, the public awaits more details from authorities about what occurred – and why.

A 15-year-old was arrested Monday after five people were found dead in a home in Fall City, Washington, in an incident “perpetrated by firearm,” law enforcement officials said.

Law officers have arrested a teenager in connection with the deaths of five people found fatally shot inside a home southeast of Seattle.

A juvenile is in custody after five were killed, including three children, during a 'possible domestic violence situation' in Fall City, Washington.

Two adults and three school-age children were found dead inside a home east of Seattle. Another teenager was injured, the King County Sheriff’s Office said.

Police responded to reports of a shooting at the Fall City home around 5 am on Monday. They arrested one 15-year-old teen at the scene and took another wounded teen to a Seattle h