Toppenish, October 20: A 19-year-old man shot four people Thursday in central Washington state, killing three of them, and then killed himself, police said. Toppenish Police Chief John Clary said in a statement that at about 5 am the man shot and killed a 13-year-old boy, an 18-year-old woman and a 21-year-old woman at a house in Toppenish. The man also shot a 21-year-old man who was taken to a hospital in critical condition, Clary said. US Shooting: Faculty Member Killed After Gunman Opens Fire, Students Jump Out of Windows at University of North Carolina in Chapel Hill (Watch Video).

“The motive behind this heinous act remains unknown at this time,” Clary's statement said. “The Toppenish Police Department is fully committed to conducting a thorough investigation in collaboration with our regional law enforcement partners to determine the circumstances surrounding this tragic event.” US Shooting: One Dead, Several Injured After Gunman Opens Fire at Louisiana High School, Accused Arrested.

Toppenish has a population of about 8,600 people and is located within the Yakama Indian Reservation.

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