READ: Trump officials' texts discussing Ukraine

The Democratic chairmen of three House panels on Thursday night released text message exchanges between several Trump administration officials regarding the administration's dealings with Ukraine.

House Democrats argued in a letter that the messages underscore the administration's efforts to get Ukraine to pursue an investigation into President TrumpDonald John TrumpWHCA calls on Trump to denounce video depicting him shooting media outlets Video of fake Trump shooting members of media shown at his Miami resort: report Trump hits Fox News's Chris Wallace over Ukraine coverage MORE's political rivals, an issue at the heart of the chamber's impeachment inquiry.

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The letter contains more than a dozen text message exchanges involving Rudy GiulianiRudy GiulianiRand Paul calls for probe of Democrats over Ukraine letter Sunday shows — Officials rush to Trump's defense on Syria, sanctions Cruz: 'Of course' it's not appropriate to ask China to investigate Bidens MORE, Trump's personal attorney; Kurt VolkerKurt VolkerGOP lawmaker: Democrats cherry-picking what to leak in impeachment inquiry In testimony, Dems see an ambassador scorned, while GOP defends Trump Cracks emerge in White House strategy as witness testifies MORE, Trump's former envoy to Ukraine; William Taylor, a top official at the U.S. Embassy in Ukraine; Gordon Sondland, the U.S. ambassador to the European Union; and Andriy Yermak, a Ukrainian official.

“These text messages reflect serious concerns raised by a State Department official about the detrimental effects of withholding critical military assistance from Ukraine, and the importance of setting up a meeting between President Trump and the Ukrainian President without further delay,” the chairmen wrote.  

Read the full release here: