Multiple fatalities have been reported in a collision involving a passenger train and a city bus in Ottawa, according to police.
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A vulnerable man who accused Leon Brittan of sexual abuse has claimed he was encouraged to make the allegations by campaigners.
Heavy downpours have triggered flash floods in Yorkshire.
The IMF's forecast for global growth has been cut to 3.1% - a fifth successive year of declining growth, the weakest performance since 2009.