Democratic presidential hopeful Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) came to Rep. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezOn The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline McCarthy says there will be a peaceful transition if Biden wins Anxious Democrats amp up pressure for vote on COVID-19 aid MORE's defense on Thursday night after President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE called the New York Democrat a "wack job" on Twitter.

"It's going to be a real pleasure defeating you," Sanders tweeted in response to Trump's post.

It's going to be a real pleasure defeating you. https://t.co/L8TGcUYy4G — Bernie Sanders (@BernieSanders) October 4, 2019

Ocasio-Cortez also responded to Trump's tweet, writing "better than being a criminal who betrays our country," an apparent reference to his call asking Ukraine's president to investigate leading Democratic presidential contender Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE.

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Trump made his comment after a woman attending an Ocasio-Cortez town hall said that the lawmaker's support of the Green New Deal was not enough and that she should campaign on "eating babies."

The progressive Democrat tweeted about the woman, saying, "I was concerned there was a woman in crisis & want to ensure we treat the situation compassionately."

"This person may have been suffering from a mental condition and it’s not okay that the right-wing is mocking her and potentially make her condition or crisis worse. Be a decent human being and knock it off," Ocasio-Cortez added.

Ocasio-Cortez and Sanders have been close allies, and two have worked together on a few pieces of legislation.

Sanders and Biden are among more than a dozen people competing for the 2020 Democratic presidential nomination.