At least three people have been declared dead and multiple injured after an Amtrak train derailed on Saturday afternoon in North-Central Montana, an official at a local sheriff’s office said. The Empire Builder train, which departed from Chicago for Seattle, derailed around 3:55 p.m. local time near the small town of Joplin, Amtrak spokesman Jason Abrams said in a statement. Abrams said that multiple people were injured. The train was traveling on a BNSF Railroad main track at the time, just 30 miles from the Canadian border. About 146 passengers and 16 crew members were on board, Abrams said. Seven of the train’s ten cars were reported to have derailed. One train passenger told The New York Times that three of the cars at the end of the train “had completely fallen off the tracks and were detached from the train.” She said the fatal incident felt like “extreme turbulence …