The Globe and Mail newspaper reported last week that Trudeau or his staff pressured her to arrange a deal with Montreal-based SNC-Lavalin that would let it avoid criminal prosecution on allegations of corruption involving government contracts in Libya.
Wilson-Raybould has hired a former Supreme Court justice to advise her on what she can say publicly about the matter.
Her resignation is a potential blow to Trudeau as he faces re-election this year. He has denied directing Wilson-Raybold to arrange such a deal.
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