(CNBC) The U.S. is expected to go over the “fiscal cliff” at midnight Monday, but President Barack Obama and Senate GOP leader Mitch McConnell said an agreement to prevent a middle class tax hike was in sight.

The negotiations are still in flux and the House will reconvene at noon on Tuesday, Republican Rep. Steven La Tourette said. He also said that House members have been told to stay close on Monday evening and that they may be called back to continue negotiations.

Obama said more work needed to be done to avoid other pending issues, but McConnell told the Senate: “Let’s get what was agreed on and get moving,”

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