CNN announced on Thursday it canceled its Democratic presidential town halls ahead of the Iowa caucuses next month, citing the Senate impeachment schedule.

A spokesperson for the network said CNN was working to reschedule the town halls, which were originally slated to be held on Jan. 28 and 29 at Drake University and were set to feature back-to-back appearances by seven of the top Democratic contenders.

The cancellation comes as Sens. Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE (I-Vt.), Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (D-Mass.), Amy Klobuchar Amy KlobucharThe Hill's Morning Report - Sponsored by The Air Line Pilots Association - White House moves closer to Pelosi on virus relief bill EPA delivers win for ethanol industry angered by waivers to refiners It's time for newspapers to stop endorsing presidential candidates MORE (D-Minn.) and Michael Bennet Michael Farrand BennetOVERNIGHT ENERGY: House Democrats tee up vote on climate-focused energy bill next week | EPA reappoints controversial leader to air quality advisory committee | Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' Senate Democrats demand White House fire controversial head of public lands agency Next crisis, keep people working and give them raises MORE (D-Colo.) returned to Capitol Hill this week to take part in the trial of President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE.

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The trial has upended other plans on the campaign trail ahead of the Iowa caucus on Feb. 3. Sanders's campaign announced on Tuesday that it was canceling a rally scheduled for Wednesday due to the trial.

"Sen. Sanders will not be able to attend tomorrow’s rally due to the impeachment schedule in the U.S. Senate," the campaign's statement said. "However, Rep. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezLawmakers fear voter backlash over failure to reach COVID-19 relief deal Why Democrats must confront extreme left wing incitement to violence The Hill Interview: Jerry Brown on climate disasters, COVID-19 and Biden's 'Rooseveltian moment' MORE (D-N.Y.) will host campaign events in Iowa City, Cedar Rapids and Ames on Friday and Saturday."

The senators running for president are taking full advantage of their surrogates, as well as using the weekend to travel to Iowa.

Warren's campaign said on Thursday that Queer Eye star Jonathan Van Ness would join Warren for a town hall in Cedar Rapids on Sunday.

Meanwhile, Ocasio-Cortez and progressive filmmaker Michael Moore are slated to join Sanders in Iowa on Sunday.

Klobuchar will return to Iowa on Saturday for events through Sunday.