A section of highway 118 in Ventura County closed following a collision between a tanker truck and another vehicle on Friday morning.
The accident occurred at 7:51 on Highway 118 near Balcolm Canyon Road, east of Somis.
The tanker truck was carrying fuel.
A hazardous materials team was been dispatched to the scene after the trunk overturned and leaked fuel.
A nine year old boy died at the scene; a female driver and a seven year old girl sustained major injuries.
Highway 118 between Grimes Canyon Road and Sand Canyon remains closed.