Andrew Fryberg

Another of the teenagers wounded in a Washington state high school shooting has died, raising to five the number of fatalities after a student opened fire in the cafeteria two weeks ago.

Members of the Tulalip Tribes community in Washington state say they are trying to comprehend how a life-long friendship among sports-loving cousins ended with one of them gunning down the other two, along with three female friends, in their high school cafeteria.

Authorities were seeking a motive on Saturday as to why a high school student in the United States' Washington state shot dead a female classmate and wounded four others in a campus cafeteria before killing himself.

Another of the teenagers wounded in a Washington state high school shooting has died, raising to five the number of fatalities after a student opened fire in the cafeteria two weeks ago.

Members of the Tulalip Tribes community in Washington state say they are trying to comprehend how a life-long friendship among sports-loving cousins ended with one of them gunning down the other two, along with three female friends, in their high school cafeteria.

Authorities were seeking a motive on Saturday as to why a high school student in the United States' Washington state shot dead a female classmate and wounded four others in a campus cafeteria before killing himself.