Sen. Pat Toomey Patrick (Pat) Joseph ToomeyAppeals court rules NSA's bulk phone data collection illegal Dunford withdraws from consideration to chair coronavirus oversight panel GOP senators push for quick, partial reopening of economy MORE (R-Pa.) said Tuesday that while "it is fully within the president's powers" to share highly classified intelligence with whomever he chooses, doing so would be "extremely imprudent" with an adversary such as Russia.

“Russia is not a friend to the United States, and protecting our country’s classified information from our adversaries is essential,” Toomey said in a statement the day after The Washington Post reported that President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE shared classified information with top Russian officials in the Oval Office last week.

“While it is fully within the President’s powers to manage classified information and direct our country’s foreign policy, if classified information was divulged without good reason, it could not only be extremely imprudent, but also hamper our ability to gather intelligence in the future.”

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Toomey added that he hopes the Trump administration “comes forward and provides a full explanation of the facts to Congress soon.”

Democrats and many Republicans have expressed shock and dismay at Trump's disclosure, with White House officials scrambling to limit the damage.

National Security Adviser H.R. McMaster said that Trump “in no way undermined sources or methods” while speaking recently with top Russian officials.

“The president wasn’t even aware of where this information came from,” McMaster said at the White House.

Trump, for his part, has said he has "the absolute right" to share data with Russian diplomats or anyone else.

The New York Times on Tuesday reported that highly classified intelligence, which concerned a terror plot involving the Islamic State in Iraq and Syria (ISIS), came from Israel.

Israeli officials and the White House have declined to confirm or deny whether Israel was the information’s origin.

Trump’s “code-word information” disclosure risks damaging the relationship with the intelligence source, which has access to ISIS inner workings.