Why are these people fleeing the US for Canada?
Media playback is unsupported on your device
Video

Canada's migrant crisis: Hundreds crossing US border daily

Many follow tips they've seen on Facebook and YouTube and end up at an unofficial crossing at the end of a street in upstate New York.

Video by Angelica Casas; produced by Jessica Murphy

Go to next video: Asylum seeker: 'I lost all my fingers'