Sudden heart failure blamed for 15-year-old's death

WALLA WALLA-- KEPR learned sudden cardiac arrest is blamed for the death of a stand-out student at Columbia High.

Walla Walla's coroner tells KEPR -- Zachary Morrison died of natural causes.

The 15-year old was found dead at home Monday.

A pathologist will try to determine if his heart issue was hereditary or caused by something else.