When president Trump introduced tough new policies to stop migrants crossing the US border - the result was immediate and widespread.
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Thousands of children have been separated from their parents, hundreds of families with no idea when they would see each other again.
Our Latin America correspondent Guillermo Galdos has been following two who, with tens of thousands of others, are so desperate to flee the danger and destruction in their homelands, they risk everything in the attempt to make it to the United States.