On Saturday, people around the U.S. gathered for Families Belong Together marches in solidarity with the migrant parents and children who've been separated at the U.S.-Mexico border as a result of the Trump administration's "zero tolerance" immigration policy.  。

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reports, there are more than 2,000 children in detention centers, and concrete plans to return them to their parents are few and far between. At Saturday's marches, protestors carried signs demanding swift action.。

SEE ALSO:7 activist groups supporting families at the border that need your help right now。

Plans for a June 30 "Day of Action" began earlier in the month, after reports of family separations and the devastating photos and audio that followed came to light. And while a massive protest took place in Washington D.C., people in cities all around the country -- from New York to Hawaii -- and even overseas made plans to march as well.。Mashable Top StoriesStay connected with the hottest stories of the day and the latest entertainment news.Sign up for Mashable's Top Stories newsletter 。By signing up you agree to our Terms of Use and Privacy Policy. 。

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Carrying signs admonishing the Trump administration for its cruel immigration policies, protesters turned out in droves to stand with separated families. These are some of the best signs we've seen so far: 。

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Tweet may have been deleted 。Tweet may have been deleted 。Tweet may have been deleted。A Washington D.C. protestor.Credit: ALEX EDELMAN/AFP/Getty Images 。Protestors in New York City.Credit: Kena Betancur/Getty Images。A sign seen in New York.Credit: EDUARDO MUNOZ ALVAREZ/AFP/Getty Images。Signs in New York.Credit: Kena Betancur/Getty Images。A sign in D.C.Credit: ALEX EDELMAN/AFP/Getty Images。

Signs in D.C.Credit: AFP/Getty Images。 A sign in New York.Credit: Spencer Platt/Getty Images。 People marching in New York.Credit: Spencer Platt/Getty Images。

And as a bonus: In D.C.,

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Hamilton。

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creator Lin-Manuel Miranda sang a lullaby for the parents who've been separated from their children.  。

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