Immigration Minister Ahmed Hussen was warned in March that the flow of migrants entering Canada illegally risked turning into a larger problem — months before this week's surge of border crossings began, documents obtained by CBC News show.

The briefing prepared for Hussen by his top bureaucrat in March noted the trends in illegal crossings were continuing "despite strong collaboration among Canadian agencies and with United States counterparts" and that a "major humanitarian or security event could create an urgent need to revisit existing policies." - cbcnews
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Justins response 5 months later?

“We want migration to Canada to be done in an orderly fashion; there’s border checkpoints and border controls that we need to make sure are respected,” Mr. Trudeau said

This combination of Trump fear-mongering in the liberal media coupled with Justins total incompetence, has created a perfect storm of disaster for Canada.