Teen charged with assault for Alki Beach bonfire explosion

SEATTLE -- A teenager accused of causing a bonfire explosion that burned himself and three other teens has been charged with assault.

Police say 18-year-old Marshall Herrick tossed an envelope full of racing fuel onto an end-of-school bonfire at Alki Beach in June.

The students, who had just graduated from Thomas Jefferson High School in Federal Way, had gathered to partake in an unofficial tradition: burning homework on Alki Beach to mark the end of high school.

According to students, the event was meant to be drug and alcohol free, but witnesses told police that Herrick appeared intoxicated when he sparked the explosion.

Herrick has been charged with three counts of assault for the three students who were hurt in the fire.