The California highway patrol is investigating a crash saturday that killed a mother and her four children.
It happened near riverdale in Fresno county.
Police say the van burst into flames after it was involved in an accident with another vehicle.
The 29-year-old mom and her kids, ages two, three, six and 11 were trapped in the burning vehicle.
Officers say her husband was not far behind and tried to pull them from the wreckage.
The driver of the other car was airlifted to a hospital for treatment.