Authorities have thwarted a plot in Canada to attack a railroad that carries a daily Amtrak passenger train between Toronto and New York City, US law enforcement and national security sources told Reuters.
The Canadian Broadcasting Corporation earlier reported that Canadian police and intelligence agencies will announce multiple arrests on Monday evening after an operation to thwart a "major terrorist attack."
More top news
Paracetamol is ineffective at treating back pain, Australian researchers say.
Madonna says she still cannot bring herself to watch footage of the moment she fell on stage while performing at the Brit Awards.
Ed Miliband has pledged to give zero-hours workers the right to convert their contract into a regular job after three months.