Nearly a dozen vehicles including two semis and a livestock trailer collided on I-70 west of Idaho Springs Monday morning, snarling traffic on the icy interstate for hours.

DENVER (KDVR) — A Monday morning crash that shut down westbound Interstate 70 near Empire involved 11 vehicles, including two semi-trucks and a pickup truck pulling a livestock trailer.

Authorities in Texas are investigating a case of livestock theft and cruelty after an abandoned trailer containing 14 stolen Angus cattle—eight of them dead—was discovered in late January.