What to know on Day 40 of the government shutdown:

The Senate is voting on whether to advance a House-passed continuing resolution key to unlocking a deal to end the government shutdown as senators hold a rare Sunday session.

A deal was reached in the Senate ahead of the vote, a source familiar with the deal told CBS News, with at least eight Democrats prepared to vote in favor of advancing a funding measure Sunday night.

Thune is pursuing a strategy that would involve voting to advance the House-passed continuing resolution and amending it to include an appropriations package — known as a "minibus" — as well as a longer extension of government funding. Senate appropriators release the text of a package of three long-term appropriations bills that are part of the GOP plan to end the

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