WATCH LIVE: Noem holds news conference on U.S.-Mexico border wall progress

Homeland Security Secretary Kristi Noem will announce updates on the construction of the U.S. Southern border wall on Wednesday.

Noem is expected to speak at 12 p.m. EST. Watch live in our video player above.

Noem is holding a news conference in Nogales, Arizona.

President Donald Trump signed a bill Tuesday to end a partial government shutdown after negotiations with Democrats led Congress to separate out the funding package for the Department of Homeland Security.

WATCH: Border czar Tom Homan announces 700 immigration agents leaving Minneapolis immediately

Democrats have demanded reforms in the wake of aggressive use of force tactics by immigration enforcement agents in Minneapolis and other U.S. cities. Several Democratic lawmakers have also called for Noem's resignation or impeachment.

This story is developing and will be updated.

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