Hillary Clinton Hillary Diane Rodham ClintonREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails County GOP in Minnesota shares image comparing Sanders to Hitler Holder: 'Time to make the Electoral College a vestige of the past' MORE took to Twitter to weigh in on the news that national security adviser Michael Flynn had resigned late Monday.

The 2016 Democratic presidential nominee retweeted a post from longtime confidant Philipe Reines, who made a reference to Flynn and his son, who had propagated a conspiracy theory that connected Clinton and her campaign chairman to Washington, D.C., pizzeria Comet Ping Pong during the presidential election.

"Philippe's got his own way of saying things, but he has a point about the real consequences of fake news," Clinton added to the retweet.

Philippe's got his own way of saying things, but he has a point about the real consequences of fake news... https://t.co/a02sXiaHfp — Hillary Clinton (@HillaryClinton) February 14, 2017

"Dear Mike Flynn & Mike Flynn Jr., What goes around COMETS around,” Reines tweeted, along with a link to a job opening at Dominos Pizza.

Dear Mike Flynn & Mike Flynn Jr.,



What goes around COMETS around.



And given your pizza obsession...https://t.co/rmyO7wyJKX



xo



Philippe — Philippe Reines (@PhilippeReines) February 14, 2017

In December, Michael Flynn Jr. tweeted about the armed man who entered Comet Ping Pong in Northwest D.C. because of a conspiracy theory that Clinton and John Podesta ran a child-sex ring in a back room of the pizza shop.

“Until #Pizzagate proven to be false, it'll remain a story," Flynn Jr. tweeted at the time.

"The left seems to forget #PodestaEmails and the many ‘coincidences’ tied to it,” he added in the since-deleted tweet.

Flynn resigned late Monday after reports he misled senior White House officials about the contents of his conversations with Russia's ambassador to the U.S., in which Flynn discussed fresh sanctions the Obama administration levied against Moscow before President Trump's inauguration.

Trump has named retired Army Lt. Gen. Keith Kellogg as acting national security adviser. Kellogg previously served as Flynn’s chief of staff on the National Security Council.