Heavy, black smoke billowed out of both ends of the Green River Tunnel along Interstate 80 after a fatal multivehicle pileup and fire inside

A major, multi-vehicle crash occurred in the tunnels on I-80 in Green River, Wyoming, on Friday, according to Wyoming Highway Patrol. Authorities are calling this a "mass casualty incident."

People in and near the Wyoming city of Green River told how the "really, really bad" smash in the tunnel under mountain terrain caused explosions which lasted around 30 minutes

Police earlier warned of a possible ‘explosion threat’ following the crash at the tunnel at Green River in the southwest of the state

Emergency crews were called to a fatal crash that shut down a tunnel road in Wyoming on Friday. Just after 11:30 a.m., Wyoming troopers responded to a multi-vehicle crash on westbound I-80 inside the tunnels next to the city of Green River.

A tractor trailer loaded with transformers was in the terrible smash in Green River in Wyoming and this led to the 'raging' blast - the tunnel could give way

A fiery pileup at a tunnel on Interstate 80 in southwestern Wyoming killed at least two people, seriously injured at least five others and shut down the highway.

A fiery pileup Friday at an Interstate 80 tunnel in southwestern Wyoming killed at least two people, seriously injured at least five others and shut down the highway. The crash involved an unknown number of trucks and other vehicles inside and outside the tunnel at Green River.

Wyoming Highway Patrol troopers said that the crash involved semi-trucks and passenger vehicles, and added that the strong heat was causing tires to explode

A mass casualty event has been declared after a multi-vehicle crash and fire at the tunnel on the westbound lane of the I-80 in Green River, Wyoming.