A spokesman for Canadian National Railway Co. Says three locomotives and several railcars on a southbound train have derailed in the US.
Patrick Waldron says the derailment happened last night in the town of Springer, Wisconsin.
He says two crew members were on board.
Waldron says it's unclear whether any materials spilled from the railcars.
Waldron says preliminary reports indicate that the train struck another set of cars on another train.
Firefighter Scott Krueger with the Slinger Fire Department says nearby homes are being evacuated.
Krueger says at least one person with injuries has been reported. The extent of injuries was unknown.
Springer is about 35 miles (56 kilometres) northwest of Milwaukee.
