With Sens. Rand Paul and Thom Tillis opposed to the package, GOP leaders can afford only one more defection. And multiple Republicans aren't yet sold on the measure.

Both Democratic U.S. senators from Arizona, along with the rest of the chamber's Democrats, voted against the Trump-backed "One Big Beautiful Bill."

Republicans secure crucial Senate victory for Trump's legislative package featuring tax cuts, spending reductions and immigration funding, with the bill now facing House scrutiny.