Only one of the bodies recovered by emergency services in the Quebec rail disaster has been formally identified, according to police.
Police inspector Michel Forget said the families of those missing had all now been informed that their loved ones were presumed dead.
Now we are standing here with a number of 50 persons that we are considering most probably dead in this tragedy.
We informed them of the potential loss of their loved ones. You have to understand that it's a very emotional moment, and our thoughts are with these families.
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The Chancellor will present his Autumn Statement and Spending Review to the House of Commons on Wednesday.