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Vanessa Romo

Updated at 3:57 p.m. ET

The Trump administration Tuesday formally announced it will end the Deferred Action for Childhood Arrivals program — also called DACA — putting an expiration date on the legal protections granted to roughly 800,000 people known as "DREAMers," who entered the country illegally as children.

President Trump issued a statement, saying, "I do not favor punishing children, most of whom are now adults, for the actions of their parents. But we must also recognize that we are nation of opportunity because we are a nation of laws."