His comments come as the administration works to end the Obama-era policy of separating migrant children from their families at the border.
That policy led to thousands of migrant children being separated from their parents at the border before President Trump, bowing to bipartisan pressure, signed an executive order aimed at allowing most migrant families to be detained together.
A main event in Washington, D.C.is expected to draw tens of thousands of marchers, two days after thousands of women marched to Capitol Hill and almost 600-including Rep. Pramila Jayapal (D-Wash.)-were arrested for demonstrating in the Hart Senate Office Building.
Cries of "Shame!" rose up from crowds in both NY and Washington as the marches got underway.
There was no word on whether she felt outrage at the deaths of Americans at the hands of illegal immigrants - and no word on how the protesters felt about parents who illegally send their own children across the border to face many dangers alone. Within 14 days, children under 5 were to be back with their parents, and within 30 days, children 5 and older were to be reunited with theirs.
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But the Africans went out on fair play rules as they have received more yellow cards than Japan in the tournament. Colombia's football association has said the players who faced Poland focused on "regenerative" work on Monday.
About 2,000 children remained split from their parents, according to official figures released last weekend.
The demonstrators were taken into custody by Capitol Police.
"It means the clock is ticking for the Trump administration and they need to show how they're going about reuniting these families", said Jess Morales Rocketto, political director at the National Domestic Workers Alliance. They said they want people to see these young faces because they are the same age of children in detention centers across the U.S. "We are not protestors, we are protectors!" read a tweet from the Women's March. She said she had been arrested at demonstrations three or four times since she became politically active after Trump's election. Still other protesters wore jackets that said, "I really care".
"The point is, you show up to this and you commit to supporting immigrant communities in the long term", Omeish said.
"You don't put kids in cages", she said.
Families Belong Together, a coalition that has advocated against the zero tolerance policy, is sponsoring the event.