Republicans are increasingly concerned that immigration enforcement is becoming a political liability in the upcoming midterm elections after two people were killed by federal agents during Donald Trump’s crackdown in Minneapolis.

Although few are willing to publicly break with the president, there has been a crescendo of criticism as Republicans nudge the White House to change course.

A looming end-of-week funding deadline has brought the issue to a head in Congress, with Democrats vowing to block Homeland Security funding without significant changes and Republicans struggling to find their footing.