In pictures: At least six killed in Ottawa bus-train crash

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  The crash in Ottawa occurred at the peak of morning rush hour. Terry Pedwell / The Canadian Press / AP Photo

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  A number of bus passengers were injured, Ottawa Fire spokesman Mark Messier told CP24 television. Via Rail posted a message on Twitter saying there were no reports of major injuries to train passengers or crew. Terry Pedwell / The Canadian Press / AP Photo

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  Witnesses said the bus ploughed directly into the side of the passing, four-car train. Terry Pedwell / The Canadian Press / AP Photo

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  Emergency workers and police who rushed to the scene cordoned off the area as they helped victims and began their investigation. Adrian Wyld / The Canadian Press / AP Photo

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  The OC Transpo bus was on its way downtown during the morning rush hour when the accident happened shortly before 8.48am local time (4.48pm UAE). Terry Pedwell / The Canadian Press / AP Photo

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  The accident happened just a little over two months after an oil tanker train derailed and exploded in the Quebec town of Lac-Megantic, killing 47 people. Adrian Wyld / The Canadian Press / AP Photo