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Large explosion near Casselton, N.D. after train derailment

<p>A train derailment in Casselton, North Dakota caused a large explosion Monday. &nbsp;&nbsp;</p>
An explosion caused by a train derailment in Casselton, North Dakota. The photo was sent to NBC News' Fargo, N.D. station by viewer Tyler Spriggs.
An explosion caused by a train derailment in Casselton, North Dakota. The photo was sent to NBC News' Fargo, N.D. station by viewer Tyler Spriggs.Tyler Spriggs / Courtesy Tyler Spriggs

A train derailment in Casselton, North Dakota caused a large explosion Monday. Several train cars are on fire and huge plumes of smoke is visible from the explosion over 20 miles away, according to NBC News’ local television station KVLY. Emergency crews are responding. Check back for more on this breaking news story.