A Republican lawmaker on Wednesday said the Trump administration could reverse the policy of separating migrant children from their families if President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE desired.

“The President can reverse the policy of separating families today. If he doesn’t, Congress must vote to end it,” Rep. Chris Stewart Christopher (Chris) Douglas StewartAtlanta Wendy's 911 call the night of Rayshard Brooks's death released Tyler Perry offers to pay for funeral of Rayshard Brooks Current, former NHL players form diversity coalition to fight intolerance in hockey MORE (R-Utah) wrote on Twitter.

“If neither of these happen, I have drafted an amendment that will prevent the separation of families,” he added.

The President can reverse the policy of separating families today. If he doesn’t, Congress must vote to end it. If neither of these happen, I have drafted an amendment that will prevent the separation of families. — Rep. Chris Stewart (@RepChrisStewart) June 20, 2018

Stewart has been a defender of the president since his election. The GOP lawmaker flipped and decided to vote for Trump during the 2016 election after previously criticizing the candidate, once even comparing him to Benito Mussolini, the World War II-era fascist dictator.

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The GOP lawmaker’s remarks come as the Trump administration faces considerable backlash from both sides of the aisle over its “zero-tolerance” immigration policy that has separated at least 2,000 children from their families as more adults are prosecuted for illegally crossing the border.

Thirteen GOP senators sent Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsGOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status MORE a letter this week asking that he pause the practice while Congress works on legislation.

Democratic lawmakers have also rallied together to back legislation from Sen. Dianne Feinstein Dianne Emiel FeinsteinFeinstein 'surprised and taken aback' by suggestion she's not up for Supreme Court fight Democrats shoot down talk of expanding Supreme Court Biden leads Trump by 12 points among Catholic voters: poll MORE (D-Calif.) aimed at preventing families from being separated.