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Updated at 11:45 p.m. ET
Congress reconvened Wednesday night to certify President-elect Joe Biden's Electoral College victory, just hours after the U.S. Capitol was thrust into chaos by supporters of President Trump — an angry mob that breached the complex in an unprecedented violent act at the seat of America's federal government.
Earlier in the day, the president has urged his backers to head to the Capitol.
A woman was shot and killed during the assault, according to Washington, D.C., police. Her identity has not been made public.
A law enforcement official familiar with the investigation told NPR's Carrie Johnson that the alleged shooter of the woman was a senior U.S. Capitol Police officer and that the woman who was killed was unarmed.