In a muddy makeshift camp in the Mexican border city of Ciudad Juarez, more than 1,000 migrants had waited for weeks for a chance to request asylum in the United States, enduring cold nights and long days of uncertainty.
Frustrated, many are giving up and clearing out.
Authorities say as of last week, there were still about 1,400 migrants, most of them from southwestern Mexico, holding out hope under tents and tarps in a park not far from the Rio Grande.
But on Thursday, only about 700 remained. The others grew tired of the near-freezing temperatures at night and the seemingly fruitless quest to be heard by US officials.
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