The House immigration bills "expected to receive a vote fall short of the solution we need,” said Daniel Garza, president of the Koch network's LIBRE Initiative. | David Becker/Getty Images Koch network raps Trump, won't support House immigration bills

The political network founded by the Koch brothers is taking a stand against both President Donald Trump’s policy toward separating families at the border and two immigration bills due for votes in the House this week, dealing a blow to GOP leaders who are marshaling support for their version.

“It’s encouraging that the House will have a debate this week on immigration bills that include protections for the Dreamers," said Daniel Garza, president of the Koch network's LIBRE Initiative, referring to a group of undocumented immigrants who came to the U.S. as children. "Unfortunately, in their current form, both [House leadership’s bill and an alternative immigration bill] expected to receive a vote fall short of the solution we need.”


Garza also called on Trump to “take immediate action to end the separation of families at the border by rescinding the ‘zero tolerance’ policy.”

The Kochs’ push for a more moderate approach toward immigration legislation complicates the thorny debate in Washington. Lawmakers have called on Trump to stop his administration from splitting up immigrant families, which has drawn public outrage since he implemented a zero tolerance policy of prosecuting everyone who crosses the border illegally. Trump has refused to act alone, saying Congress needs to pass immigration legislation.

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The Koch brothers have pushed the Republican Party to create a path to citizenship for Dreamers, who were extended protections under the Obama administration that Trump has tried to withdraw. The Kochs also have urged the GOP not to make severe cuts to the flow of immigrants into the country, even launching a seven-figure ad buy supporting their efforts.

House Republicans were coalescing around an immigration bill supported by House leadership that would, among other things, give some protections to Dreamers. Its path forward was already complicated: Trump blasted the measure last week, but later Tuesday he was expected to travel to Capitol Hill to rally Republicans behind it.

The Kochs' opposition to the GOP leadership bill could make it even more difficult for House Speaker Paul Ryan to unite his caucus behind it. Conservatives favor a second bill, also due for a vote this week, from Rep. Bob Goodlatte (R-Va.).

Garza said in a statement that “it’s clear there’s strong support in Congress and among the American people to provide permanency to the Dreamers,” but neither bill “affords the Dreamers the certainty they need to make a full contribution to American communities,” and both “include arbitrary cuts to legal immigration.”