A child has been struck and killed by a GO train in Mississauga, Ont., according to Metrolinx.

Emergency crews were called to the area of Alexandra Avenue and Fourth Street in Mississauga near Lakeshore Road East around 2:45 p.m. Wednesday.
The boy, believed to be between 12 and 13 years old, was hit by a train, prompting a large emergency response and road closures in the area, Peel Regional Police said in a news conference Wednesday.
A preliminary investigation suggests the child was riding a motorized bike and went around a barrier before being struck by the train, police said.
Investigators say all indications are that traffic signals were functioning properly at the time.

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The investigation will be led by Metrolinx, with Peel police assisting. Police say they will also be investigating the death.
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Metrolinx confirmed to Global News that the incident occurred on the Lakeshore West line between Long Branch and Port Credit GO stations.
“This is a tragic incident, and our condolences go out to the family and loved ones of the person who was struck,” Metrolinx said in a statement.
“There is currently no train service operating through the area,” Metrolinx said late Wednesday afternoon.
Train service is running between Long Branch and Union Station, as well as between Port Credit and stations west toward Niagara. Bus shuttles are operating between Port Credit and Long Branch GO stations.
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Road closures were in effect, with Fourth Street shut down from Ogden Avenue to Alexandra Avenue. Alexandra Avenue was closed from Fourth Street to Lakeshore Road East, but has since reopened.
Police extended their condolences to the child’s family for their tragic loss.
Metrolinx added that a full investigation will be conducted and reminded the public of the importance of rail safety.
“This is an important and sobering reminder of the importance of rail safety and how dangerous trains are,” it said.
“With more trains and more people moving across our region every day, staying aware at rail crossings is essential.”
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