The seven victims were in the van. Three were girls, ages 7, 10, 12. The adults who died were an 84-year-old man and three women, ages 80, 45 and 30.

It is still unclear what caused the van to veer out of control but investigators believe it bounced off the median, crossing all southbound lanes before flipping over the guardrail. The area below was a non-public area of the 265-acre animal park. There were no animals or people on the ground.

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