Canadian police said it was unclear if the inquiry into the Quebec train crash will lead to criminal charges and added that no arrests had been made so far.
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The win sends the Scot through to the last eight where he will face either Japan's Kei Nishikori or France's Richard Gasquet.
People "would not want" international footballer Jerome Boateng as their neighbour, according to a German politician.
The paralympian posted a time of two minutes and 57 seconds on Sunday.