(CNN)An Amtrak passenger train derailed Monday morning, spilling multiple cars off an Interstate 5 overpass and killing several people on the train in Pierce County, Washington, according to the spokesman for the Pierce County Sheriff’s Office. Several motorists in vehicles that were struck by the fallen train cars suffered injuries, but there were no fatalities among people in those vehicles, the sheriff’s office said. The deaths “are all contained to the train,” said Ed Troyer, the Pierce County Sheriff’s Office spokesman. “It’s pretty horrific.” Troyer said there were “multiple fatalities” but couldn’t provide a precise number. Read more.