Three were killed and eight others were injured after a single-vehicle crash northwest of Woodland, Yolo County on Thursday.
The crash took place around 3:00 p.m. on County Road 14.
One man and two women were killed in the crash when a Ford Econoline van drifted off the side of the road after rolling over multiple times and struck a tree.
There were 11 people in the van.
The eight people injured were taken to hospitals.
Their injuries are between major to moderate.
California Highway Patrol is investigating the crash.
It is yet to be known what caused the crash.