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.

Safety concerns caused by falling debris kept firefighters from getting inside the tunnel. State engineers planned to assess the structure on Saturday.

WYOMING, USA — A multi-vehicle crash inside a westbound tunnel on Interstate 80 has resulted in at least one fatality, according to Wyoming Highway Patrol. The collision occurred at milepost 90.2 just after 11:37 a.m. on Friday, Feb. 14. Troopers are investigating the cause of the crash.

At least two people were killed in a "multi-vehicle crash" in an interstate tunnel, Wyoming authorities confirmed Friday.

Two people were killed in a multi-vehicle crash inside a southwest Wyoming highway tunnel Friday, the state Department of Transportation said.

Troopers with the Wyoming Highway Patrol are investigating fatalities where several vehicles have collided inside an Interstate 80 tunnel near Green River.

The Wyoming Highway Patrol continues to investigate a deadly crash involving multiple commercial and passenger vehicles on I-80, between Exit 90 and Exit 91 on .

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.

Emergency crews responded to a fatal crash that killed two people and 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.