Most of the hundreds of people streaming over the US border into Canada in recent weeks are asylum-seekers, coming from Syria, Yemen, Turkey or Sudan, according to the United Nations' refugee point man in the country.
In an interview, Jean-Nicolas Beuze, the representative in Canada of the United Nations High Commissioner for Refugees, said it was too soon to know whether the cross-border flow of people is an uptick or signals a longer trend.
The UNHCR led a mission to the border at Lacolle, about 70 kilometers south of Montreal, and the surrounding area, where entire families have been trekking with suitcases and strollers along Roxham Road that connects to the United States.
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For weeks, people have been braving bone-chilling cold to walk across the US border, trudging through snow-covered prairies in the dead of night to make a claim in Canada.
"These people are more refugees than migrants," he told AFP. For the United Nations the term "migrant" designates someone who has freely chosen to leave their country of origin -- unlike refugees who are driven from their homes.
"They are not necessarily coming to Canada to have a better life but simply because they risk persecution in their country of origin."
Illegal crossings have always existed, Beuze noted, and it remains unclear "if this phenomenon is growing significantly."
However, because of the hostile US political climate towards immigrants in general, and refugees in particular, following the election of President Donald Trump, it appears many are choosing to cross into Canada to demand asylum.
"People are afraid they will find themselves in the end in a situation where they wouldn't have access to a fair system," Beuze said.
An agreement between the two countries prevents asylum seekers from lodging claims in Canada if they first landed in the United States, but it only applies to people arriving at border checkpoints, airports and train stations.
If there is no record of a family crossing the border, they can apply for refugee status, which explains why so many people are making the journey on foot, and off the official radar.
The US president has indicated he would shortly issue a new decree to replace his controversial immigration order -- which is currently blocked by a federal court.
The original decree barred people from seven Muslim- majority countries from travelling to the United States for 90 days, as well as all refugees for 120 days. Refugees from Syria were banned indefinitely.
According to the UN refugee official, the people encountered on the US-Canada border in recent days "are middle-to-upper class, well-educated, knowing what they were doing after having well-prepared their trip.