Supporters at 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's rally in New Hampshire on Monday chanted "lock her up" about Speaker Nancy Pelosi Nancy PelosiMcConnell focuses on confirming judicial nominees with COVID-19 talks stalled Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Pelosi must go — the House is in dire need of new leadership MORE (D-Calif.).

The chant broke out as Trump complained about Pelosi's conduct during his State of the Union address last week.

"I had somebody behind me who was mumbling terribly. Mumbling," Trump said, mocking Pelosi. "Very distracting."

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The crowd of thousands in Manchester coalesced into chants of "lock her up." Trump stood at the podium nodding his head and mouthed the words "that's true."

"No, it was very distracting," he added. "I’m speaking, and a woman is mumbling terribly behind me, angry."

Trump's crowds began chanting "lock her up" about 2016 Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE and often use the refrain when the president mentions her at his rallies. But Monday marked one of the first times it was directed at Pelosi.

Crowd chants lock her up when Trump talks about Nancy Pelosi pic.twitter.com/ZfDXCbuWWf — Acyn Torabi (@Acyn) February 11, 2020

Tensions between Trump and Pelosi boiled over last week at the State of the Union.

Pelosi reached out for a handshake after Trump handed her a copy of his prepared remarks, but the president appeared to ignore her. Throughout the speech, Pelosi avoided looking at the president and at times shook her head “no” as he spoke about health care and Social Security.

When Trump concluded his address, Pelosi picked up her copy of the prepared remarks and ripped them in half, a moment that dominated cable news in the aftermath of the speech.