Coverage Of Insurrection At U.S. Capitol : Capitol Insurrection Updates On the day that Congress was meant to certify the Electoral College win of President-elect Joe Biden, violent supporters of President Trump stormed the U.S. Capitol building.

Special Coverage Of Violent Riots At U.S Capitol

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Rioters gather outside the U.S. Capitol on Wednesday in Washington, D.C. Tasos Katopodis/Getty Images hide caption

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Tasos Katopodis/Getty Images

Rioters gather outside the U.S. Capitol on Wednesday in Washington, D.C.

Tasos Katopodis/Getty Images

Update: Special coverage has ended. Follow updates here.

Violent pro-Trump extremists stormed the U.S. Capitol after demonstrations Wednesday in Washington, D.C., prompting the Capitol Police to lock down all building within the U.S. Capitol complex.

Listen to NPR's live special coverage on this page, on your local member station or on NPR One. Follow more updates on NPR.org.

Police have alerted individuals in the Capitol to shelter in place, citing a "security threat inside the building."

D.C. Mayor Muriel Bowser ordered a citywide curfew from 6 p.m. Wednesday until 6 a.m. Thursday.

The riots came hours into a joint session of Congress to ratify President-elect Joe Biden's 306-232 Electoral College win over Trump.

Ahead of the violence, Trump addressed his cheering supporters and urged them to march to the Capitol, once again baselessly alleging widespread fraud that rigged the election against him. His supporters later pushed back against security barriers and forced Congress into a recess while members, staff and press took shelter.

In a tweet, Trump called on his supporters to "remain peaceful. No violence!"