Democrats, Republicans appear close to deal to avoid another government shutdown

Congressional bargainers seem close to clinching a border security agreement that would avert a new government shutdown.

Leaders of both parties are voicing optimism and the top GOP negotiator is saying he believes President Donald Trump would back the emerging accord.

WATCH: Trump says border security essential and ‘not an option’, calls Whitaker a ‘fine man’ ahead of possible testimony

0:38 Trump says border security essential and ‘not an option’, calls Whitaker a ‘fine man’ ahead of possible testimony

It could take days to nail down final details and unexpected problems could develop, especially with Trump’s penchant for head-snapping changes of mind.

But participants say a handshake could come any day on a spending package for physical barriers along the Southwest border and other security measures.

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WATCH: White House says Democrats ‘won’t come to the table’ to find deal to avert shutdown

0:31 White House says Democrats ‘won’t come to the table’ to find deal to avert shutdown

READ MORE: Arizona border town to Trump — tear down the razor wire on this wall or we will sue

An accord would end a confrontation that has dominated the opening weeks of divided government.

Congress has until Feb. 15 to approve an agreement before the government runs out of money.

WATCH: Feb. 5 — Republican senators hopeful Trump will make deal on border security with Democrats

0:53 Republican senators hopeful Trump will make deal on border security with Democrats