A significant number of Senate Democrats voted with Republicans on Thursday to advance a GOP-led bill to require the detention of undocumented migrants charged with certain crimes – a key step that puts the legislation on the verge of passage.

The measure easily cleared the 60-vote filibuster but marked the first of likely several procedural hurdles before Republicans can declare victory.

The Senate cleared the 60-vote threshold to begin debate on a GOP priority, with Democrats backing it as the party recalibrates politically on immigration. Final passage is still uncertain.

Vice President-elect JD Vance will resign from the Senate on Friday as he prepares to be sworn in to his new office later this month, temporarily shrinking Republicans’ majority. “To the people of Ohio,

Vice President-elect JD Vance is resigning from his seat in the U.S. Senate, effective Friday. Vance made his intentions known in a letter Thursday to Ohio Republican Gov. Mike DeWine, who will choose his successor.

Vice President-elect JD Vance will resign his Senate seat effective Thursday at midnight, a source told CNN. This is a developing story and will be updated. For more CNN news and newsletters create an account at CNN.