Authorities have thwarted a plot in Canada to attack a railroad that carries a daily Amtrak passenger train between Toronto and New York City, U.S. law enforcement and national security sources said Monday.
The Canadian Broadcasting Corporation earlier reported that Canadian police and intelligence agencies will announce multiple arrests Monday afternoon after an operation to thwart a "major terrorist attack."
The Royal Canadian Mounted Police said in a statement that they would provide details about a "national security criminal investigation" at a news conference at 3:30 p.m. ET (1930 GMT).
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