4 killed on I-5 in crash near Kettleman City

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Three other men in the car survived. Investigators say the driver and his brother were the only men wearing seatbelts.

They were taken to the hospital with major injuries. A third man was thrown from the van and suffered major head injuries. Neighbors in Avenal were saddened by the loss.

Bertha Arrellano said, "It's a very sad situation. They were very hard working men. It's just sad when you hear something like this."

The CHP says their mini-van hit a tire rim, causing the van to flip. The victims' names have not yet been released.