House Speaker Nancy Pelosi Nancy PelosiDemocratic senator to party: 'A little message discipline wouldn't kill us' Overnight Health Care: New wave of COVID-19 cases builds in US | Florida to lift all coronavirus restrictions on restaurants, bars | Trump stirs questions with 0 drug coupon plan Overnight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds MORE (D-Calif.) on Monday slammed 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's announced sanctions against Turkey, saying the package "falls very short of reversing that humanitarian disaster."

Pelosi said in a statement that Republican and Democratic lawmakers will continue to denounce Trump's decision to remove U.S. troops from Syria. She added both houses in Congress will work together on a bipartisan effort to "oppose this irresponsible decision."

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"President Trump gave Turkey the green light to attack our Kurdish partners, betraying the thousands of fighters who gave their lives to keep the world safe from the barbarism of ISIS," Pelosi said in the statement. "His erratic decision-making is threatening lives, risking regional security and undermining America’s credibility in the world."

The speaker's statement comes hours after Trump announced sanctions that would increase steel tariffs from 25 percent to 50 percent and end trade talks with Turkey.

Statement from President Donald J. Trump Regarding Turkey’s Actions in Northeast Syria pic.twitter.com/ZCQC7nzmME — Donald J. Trump (@realDonaldTrump) October 14, 2019

"The American people and our allies expect and deserve real leadership from Washington," Pelosi said in the statement.

The president has received backlash from lawmakers from both political parties for his decision last week to remove U.S. troops from Syria. Turkey has since launched an offensive in Syria against the Kurds, U.S. allies who helped fight ISIS.