“The Senate must not pass the DHS budget as currently written,” Schumer said. “It must be reworked to rein in and overhaul ICE."

The Senate will still have to pass the measures when it returns to Washington next week.

Senate Democrats say they are unwilling to fund the Department of Homeland Security without major reforms, raising the likelihood of a partial government shutdown at the end of this week.

President Donald Trump and Republicans in Congress are staring down the barrel of another potential government shutdown at the end of the month — because of the Department of Homeland Security's crackdown on immigrants and protesters.