In Washington, D.C., an estimated 30,000 marchers gathered in Lafayette Park across from the White House in what was expected to be the largest protest of the day, stretching for hours under a searing sun. Her jacket said, "I really don't care, do U?" and it became a rallying cry for protesters Saturday. Organizer Michelle Wentz says opposition to the administration's "barbaric and inhumane" policy has seemed to cross political party lines.
Thousands of people marched in cities across the United States protesting the separation migrant at the Mexican border as part of the administration's "zero tolerance" policy on unauthorized immigration.
"Please fight and continue fighting, because we will win", she said.
ICE, in particular, has provoked public outrage for its active role in physically separating parents from their children.
On Monday, Customs and Border Protection commissioner Kevin K. McAleenan temporarily stopped referring families to the Justice Department for criminal prosecution pending an agreement on how parents could be prosecuted without being separated from their children.
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The administration is fresh off major worldwide scorn over the separation of migrant families coming across the Mexico border. US President Donald Trump speaks following a meeting on the South Lawn of the White House in Washington, DC June 1, 2018.
Some 2,000 children remain split from their parents, according to official figures released last weekend in the wake of worldwide outrage over the stripping of minors from their parents believed to have crossed illegally at the US-Mexico border.
From Raleigh, North Carolina to Anchorage, Alaska, there were approximately 700 marches under the banner of "Families Belong Together", decrying the separation of children from parents, who had been detained after crossing the border.
"We are children", Lea said, directing her words at fellow migrant kids in a similar plight as hers. "We just kept hearing over and over again, if it was my child, I would want someone to do something".
Trump - who campaigned as an immigration hardliner with a promise to build a wall along the U.S. -Mexico border - has faced renewed backlash in recent weeks over his administration's "zero tolerance" enforcement policy. One sign read: "Compassion not cruelty" while another simply said: "Vote".
In other cities such as New York, Los Angeles and Philadelphia, demonstrators carried signs reading - "Donald Trump must go!" and "What's next?"
Secretary of Health and Human Services Alex Azar told Congress on Tuesday that 2,047 immigrant children remain separated from their parents.
The president tweeted Saturday that when people enter the nation illegally, "we must IMMEDIATELY escort them back out without going through years of legal maneuvering".