President Donald Trump indicated he would take action shortly to both improve security on the border and help keep families together, speaking briefly with reporters Wednesday.
The allegations center on a mental health facility in Texas that has had problems in the past.
Protesters chanted "end family separation" at Department of Homeland Security Secretary Kirstjen Nielsen as she dined at a Mexican restaurant in Washington, DC.
American Airlines is asking the federal government to "immediately refrain" from using its aircraft to transport children who have been separated from their families at the US-Mexico border.
American Airlines on Wednesday asked the federal government not to use its planes to transfer migrant children separated from their families at the United States' southern border.
Recreational marijuana use will soon be legal in Canada after the Senate passed a "historic" bill on Tuesday with a vote of 52-29.
"A person's dignity does not depend on them being a citizen, a migrant, or a refugee," Francis tweeted Wednesday.
President Donald Trump announced Monday that he has ordered the creation of a new military branch, the "Space Force."
The news comes amid intense and growing backlash to the Trump administration's policy of separating children from their parents at the U.S. border.
Pope Francis has added his voice to the criticism over the Trump administration's practice of separating migrant families. "It's not easy, but populism is not the solution."
Actor Peter Fonda has issued an apology for his inappropriate and vulgar tweet about the presidents son, Baron Trump, in which he called for him to be ripped from his mother and put in a cage with pedophiles.
Governors from around the country are canceling the deployment of their National Guard troops near the US-Mexico border in response to the Trump's administration practice of separating immigrant families.
The White House initially misspelled the word "separation" in the executive order President Trump signed on Wednesday to stop his "zero tolerance" policy at the border from dividing families crossing the border illegally.
Embattled Homeland Security Secretary Kirstjen Nielsen ate dinner at a Mexican restaurant in Washington and was targeted by protesters, angered by her agency splitting up migrant families.
Taxpayers have paid more than $1.5 billion to private companies operating shelters accused of serious lapses in care, including neglect and abuse.