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(KSL News) Trailers from a semi truck came un-hitched and barrelled through a fence in West Valley City.
It happened just after midnight.

The driver of the semi truck says he was driving north on I-215 when both of the trailers he was hauling somehow unhitched! Both trailers then veered off the freeway and took out about 360 feet of fencing.
The trailers finally came to a rest in the north end of the E Center parking lot.
The truck driver wasn't injured and state troopers are still trying to figure out why it happened.