Sen. Martin Heinrich Martin Trevor HeinrichSenate Democrats demand White House fire controversial head of public lands agency Senate Democrats seek removal of controversial public lands head after nomination withdrawal Five takeaways from final Senate Intel Russia report MORE (D-N.M.) on Monday responded to reports that President Trump shared highly classified intelligence with top Russian officials by tweeting a list of his “disturbing pattern of recklessness.”

The tweetstorm began shortly after The Washington Post reported — and BuzzFeed, The New York Times and Reuters confirmed — that Trump disclosed highly sensitive anti-ISIS information with diplomats visiting the Oval Office last week.

President Trump continues to display a disturbing pattern of recklessness. #Classified101 https://t.co/Cyl8QXH3Tm — Martin Heinrich (@MartinHeinrich) May 15, 2017

Protip: Don’t give the Russians classified information. #Classified101 — Martin Heinrich (@MartinHeinrich) May 15, 2017

Letting Tass into the oval office with cameras and electronic equipment #Classified101 https://t.co/jPU4HLECz5 — Martin Heinrich (@MartinHeinrich) May 15, 2017

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Heinrich cited a February photo which allegedly showed a key to classified information sitting on Trump’s desk.

The New Mexico senator, who is up for reelection next year, also needled Trump for openly discussing a North Korean missile launch in February near guests at the president’s Mar-a-Lago resort in Palm Beach, Fla.

Leaving a classified lock bag lying around with key in it. #Classified101 https://t.co/4viOT4aBJL — Martin Heinrich (@MartinHeinrich) May 15, 2017

Discussing North Korean missile launch w Japanese President while Mar-a-Lago guests gawk & take pics #Classified101 https://t.co/W4aLoNGUzw — Martin Heinrich (@MartinHeinrich) May 15, 2017

A U.S. official with knowledge of the White House huddle last week said Trump “revealed more information to the Russian ambassador that we have shared with our own allies.”

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

“I get great intel. I have people brief me on great intel every day,” Trump was quoted as saying before elaborating with highly classified details.

The White House reportedly contacted the CIA and National Security Agency after the meeting to contain the damage.

U.S. reporters were not permitted to cover the meeting.