Video released of fiery crash that killed at least 4 people

DENVER, Col. (FOX 29) - New footage shows just how horrific a chain reaction crash was on a Colorado highway near Denver.

Authorities released these images sowing dozens of cars and trucks in flames Saturday. The pile-up on Interstate 70 involved 28 vehicles and killed at least four people.

Police have arrested a 23-year-old truck driver for vehicular homicide. However, his attorney says the truck's brakes gave out and he's devastated.

The investigations continues.