House Oversight and Reform Committee Chairman Elijah Cummings Elijah Eugene CummingsBlack GOP candidate accuses Behar of wearing black face in heated interview Overnight Health Care: US won't join global coronavirus vaccine initiative | Federal panel lays out initial priorities for COVID-19 vaccine distribution | NIH panel: 'Insufficient data' to show treatment touted by Trump works House Oversight Democrats to subpoena AbbVie in drug pricing probe MORE (D-Md.) called the treatment of migrant children at facilities on the U.S. border with Mexico “government-sponsored child abuse” in a news conference Thursday, according to The Dallas Morning News.

"They say they have all the supplies they need, and they say that all of the allegations of mistreatment are — and I quote — `unsubstantiated.' We will not be blinded by what we see," Cummings said Wednesday before a hearing on conditions in the facilities.

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"We have seen cases where the administration has deported parents without their children and still, to this day, have not reunited those families,” he added. "This is government-sponsored child abuse ... on a grand scale.”

At the same conference, Congressional Hispanic Caucus Chairman Joaquin Castro Joaquin CastroPompeo accused of stumping for Trump ahead of election Florida Democrat asks FBI to investigate anti-Semitic, racist disinformation Hispanic Caucus members embark on 'virtual bus tour' with Biden campaign MORE (D-Texas) read the names of six children who died either in or shortly after leaving federal custody in the past year.

“It's important to remember them as human beings and not just faceless migrants," he said, according to the newspaper.

Castro described a visit to a facility in Clint, Texas, where he said he saw overcrowded cells and prisoners with no access to medication or the means to wash their hands after using the bathroom. "These are not uncommon things at DHS facilities," he said.

Rep. Chip RoyCharles (Chip) Eugene RoyPelosi must go — the House is in dire need of new leadership GOP lawmakers want answers from Disney on Mulan, China Freedom Caucus member Chip Roy touts bipartisanship in first campaign ad MORE (Texas), the senior Republican on the subcommittee, accused its Democratic members of denying a humanitarian crisis at the border until recently and disputed the characterization of chain-link fencing at detention centers as “cages.”

"I've seen the facilities and I've not seen a single cage. ... I'm seeing ways to try to separate people and keep them safe," he said. "We demean the process and work of law enforcement officers trying to do their job when we call them cages."

The hearing follows a report from the Department of Homeland Security’s (DHS) Office of Inspector General that documented overcrowding and unsanitary conditions at border facilities.

The House panel is also scheduled to hold hearings on reports that current and former Border Patrol personnel made racist and misogynistic comments in a closed Facebook group. Acting Homeland Security Secretary Kevin McAleenan is set to testify before the committee next week.