The U.S. Senate took the first step towards undoing ObamaCare, with a vote in the wee hours of the morning.

FOX's Rachel Sutherland reports from Washington:

The Senate passed a measure giving Republicans the power stop Democrats from filibustering, speeding up the process for taking apart the Affordable Care Act.

Democrats voting "nay" stood up and gave mini speeches in heated opposition. Independent Bernie Sanders with his no vote:

(Sanders) "On behalf of elderly people who cannot afford higher prescription drugs, I vote no."

Republicans are still debating on how to repeal and replace. Senator Rand Paul was the only Republican to vote no, over concerns about not having replacement plan in place right away.

In Washington, Rachel Sutherland, FOX News.

Follow Rachel Sutherland on Twitter: @SutherlandFOX