A federal judge has temporarily blocked President Donald Trump's freeze on federal grants and loans that could total trillions of dollars.

Robert F. Kennedy Jr. is facing a contentious confirmation hearing for his nomination to lead the U.S. Department of Health and Human Services, despite his past support for anti-vaccine conspiracy theories and lack of a firm stance on abortion access.

WASHINGTON (Reuters) -At least three U.S. lawmakers said on Tuesday healthcare providers were blocked from the Medicaid payment portal after the Trump administration announced a federal funding pause, even as the White House said the program was exempted.

Ore., urged federal health regulators Friday to fix their mistake that he said has unfairly cost St. Charles Health System $6 million over a nearly three-year period.

The online system for federal health funding warned of delays due to executive orders after the Trump administration announced a freeze.

A letter from several Democratic Senators urged Trump to use his deal-making skills to “flat out reject any request to end negotiations."

Over rigorous questioning from senators Wednesday, Robert F. Kennedy Jr. laid out his vision to lead the Department of Health and Human Services, while backtracking on his past statements in support of abortion and against vaccines.

RFK Jr. is back on the Hill for a second day of testimony, this time before a different Senate committee, after a first round that was contentious but saw no GOP defections.

President Donald Trump's nominee for HHS Secretary, RFK Jr., navigated questions on abortion, vaccines, and social welfare as he hopes to secure Senate support.

Robert F. Kennedy Jr. told the Senate Finance Committee that he is not anti-vaccine during his confirmation hearing for secretary of health and human services.

Kennedy Jr. was pressed to clarify his views on vaccines, abortion and public health priorities in the first of two senate hearings as he tries to make the case to become President Donald Trump's health secretary.