"Do you know what you're doing is illegal?"
The warnings from Canadian police are mostly ignored. Towing her baby, video shows one woman struggling through the snow to claim asylum in Canada.
She's among the hundreds of US refugees who have illegally entered Canada since President Donald Trump's first immigration order.
US refugees who cross at an unguarded part of the border are arrested, but once on Canadian soil, they are allowed to claim asylum. At an official border crossing they would be turned away.
In February, 646 US refugees walked into Quebec, a 600 percent jump from February of 2016. Along the whole border, about 2,100 refugees did so in the first two months of 2017, double the number from a year earlier.
Watch the full CBS report.