A badly injured man and woman were airlifted to Harborview after a van explosion in Yelm Monday afternoon.
The Thurston County Sheriff’s Office said the explosion occurred in the 17100 block of 153rd Avenue Southeast at 1:30 p.m.
Deputies said the man had altered the van’s fuel system.
Firefighters arrived at the scene to find the van fully engulfed in flames.
Both victims are in critical condition.